Add changelog and docs for v1.5 release (#2941)

* Add changelog and docs for v1.5 release
Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

* Fix markdown indentation
Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

* Fix URLs with patch version
Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

* Fix example link
Signed-off-by: Nolan Brubaker <brubakern@vmware.com>

CHANGELOG.md

 ## Current release:
-  * [CHANGELOG-1.4.md][14]
-
-## Development release:
-  * [Unreleased Changes][15]
+  * [CHANGELOG-1.5.md][15]
 
 ## Older releases:
+  * [CHANGELOG-1.4.md][14]
   * [CHANGELOG-1.3.md][13]
   * [CHANGELOG-1.2.md][12]
   * [CHANGELOG-1.1.md][11]

changelogs/CHANGELOG-1.5.md

-## v1.5.0-rc.1
-### 2020-09-09
+## v1.5.1
+### 2020-09-16
 
 ### Download
-https://github.com/vmware-tanzu/velero/releases/tag/v1.5.0-rc.1
+https://github.com/vmware-tanzu/velero/releases/tag/v1.5.1
 
 ### Container Image
-`velero/velero:v1.5.0-rc.1`
+`velero/velero:v1.5.1`
 
 ### Documentation
-https://velero.io/docs/v1.5-pre/
+https://velero.io/docs/v1.5/
 
 ### Upgrading
-https://velero.io/docs/v1.5-pre/upgrade-to-1.5/
+https://velero.io/docs/v1.5/upgrade-to-1.5/
 
 ### Highlights
 
@@ -22,25 +22,26 @@ https://velero.io/docs/v1.5-pre/upgrade-to-1.5/
 
 ### All Changes
 
+  * 🏃‍♂️ add shortnames for CRDs (#2911, @ashish-amarnath)
   * Use format version instead of version on `velero backup describe` since version has been deprecated (#2901, @jenting)
-  * Implement post-restore exec hooks in pod containers (#2804, @areed)
-  * rename the PV if VolumeSnapshotter has modified the PV name (#2835, @pawanpraka1)
   * fix EnableAPIGroupersions output log format (#2882, @jenting)
   * Convert ServerStatusRequest controller to kubebuilder (#2838, @carlisia)
+  * rename the PV if VolumeSnapshotter has modified the PV name (#2835, @pawanpraka1)
+  * Implement post-restore exec hooks in pod containers (#2804, @areed)
   * Check for errors on restic backup command (#2863, @dymurray)
   * 🐛 fix passing LDFLAGS across build stages (#2853, @ashish-amarnath)
   * Feature: Invoke DeleteItemAction plugins based on backup contents when a backup is deleted. (#2815, @nrb)
   * When JSON logging format is enabled, place error message at "error.message" instead of "error" for compatibility with Elasticsearch/ELK and the Elastic Common Schema (#2830, @bgagnon)
-  * Add the DeleteItemAction plugin type (#2808, @nrb)
   * discovery Helper support get GroupVersionResource and an APIResource from GroupVersionKind (#2764, @runzexia)
-  * 🐛 Manually patch the generated yaml for restore CRD as a hacky workaround (#2814, @ashish-amarnath)
-  * Pass default-volumes-to-restic flag from create schedule to backup (#2776, @ashish-amarnath)
-  * Enhance Backup to support backing up resources in specific orders and add --ordered-resources option to support this feature. (#2724, @phuong)
   * Migrate site from Jekyll to Hugo (#2720, @tbatard)
+  * Add the DeleteItemAction plugin type (#2808, @nrb)
+  * 🐛 Manually patch the generated yaml for restore CRD as a hacky workaround (#2814, @ashish-amarnath)
   * Setup crd validation github action on k8s versions (#2805, @ashish-amarnath)
   * 🐛 Supply command to run restic-wait init container (#2802, @ashish-amarnath)
   * Make init and exec restore hooks as optional in restore hookSpec (#2793, @ashish-amarnath)
   * Implement restore hooks injecting init containers into pod spec (#2787, @ashish-amarnath)
+  * Pass default-volumes-to-restic flag from create schedule to backup (#2776, @ashish-amarnath)
+  * Enhance Backup to support backing up resources in specific orders and add --ordered-resources option to support this feature. (#2724, @phuong)
   * Fix inconsistent type for the "resource" structured logging field (#2796, @bgagnon)
   * Add the ability to set the allowPrivilegeEscalation flag in the securityContext for the Restic restore helper. (#2792, @doughepi)
   * Add cacert flag for velero backup-location create (#2778, @jenting)
@@ -55,28 +56,27 @@ Displays the Timestamps when issued a print or describe (#2748, @thejasbabu)
   * add metrics for restic back up operation (#2719, @ashish-amarnath)
   * StorageGrid compatibility by removing explicit gzip accept header setting (#2712, @fvsqr)
   * restic: add support for setting SecurityContext (runAsUser, runAsGroup) for restore (#2621, @jaygridley)
-  * Convert manifests + BSL api client to kubebuilder (#2561, @carlisia)
-  * Add linter checks to Makefile (#2615, @tbatard)
-  * improve builder image handling so that we don't rebuild each `make shell` 
-first check if there are pending changed on the build-image dockerfile if so build it.
-then check if there is an image in the registry if so pull it.
-then build an image cause we don't have a cached image. (this handles the backward compat case.)
-fix make clean to clear go mod cache before removing dirs (for containerized builds) (#2620, @mauilion)
+  * Add backupValidationFailureTotal to metrics (#2714, @kathpeony)
   * bump Kubernetes module dependencies to v0.18.4 to fix https://github.com/vmware-tanzu/velero/issues/2540 by adding code compatibility with kubernetes v1.18 (#2651, @laverya)
   * Add a BSL controller to handle validation + update BSL status phase (validation removed from the server and no longer blocks when there's any invalid BSL) (#2674, @carlisia)
   * updated acceptable values on cron schedule from 0-7 to 0-6 (#2676, @dthrasher)
-  * Add backupValidationFailureTotal to metrics (#2714, @kathpeony)
-  * move CSI plugin out of prototype into beta (#2636, @ashish-amarnath)
   * Improve velero download doc (#2660, @carlisia)
-  * log a warning instead of erroring if an additional item returned from a plugin can't be found in the Kubernetes API (#2595, @skriss)
-  * Azure: support using `aad-pod-identity` auth when using restic (#2602, @skriss)
-  * When a timeout string can't be parsed, log the error as a warning instead of silently consuming the error. (#2610, @nrb)
-  * implement option to back up all volumes by default with restic  (#2611, @ashish-amarnath)
-  * add a CI check for a changelog file (#2613, @ashish-amarnath)
-  * Documentation: Update Jekyll to 4.1.0
-  * Switch from redcarpet to kramdown for Markdown renderer (#2625, @tbatard)
-  * Update basic-install.md documentation: Add windows cli installation option via chocolatey (#2629, @adamrushuk)
-  * Add a new supported provider for an object storage plugin for Storj (#2635, @jessicagreben)
   * Update basic-install and release-instructions documentation for Windows Chocolatey package (#2638, @adamrushuk)
-  * backup/restore: reinstantiate backup store just before uploading artifacts to ensure credentials are up-to-date (#2550, @skriss)
+  * move CSI plugin out of prototype into beta (#2636, @ashish-amarnath)
+  * Add a new supported provider for an object storage plugin for Storj (#2635, @jessicagreben)
+  * Update basic-install.md documentation: Add windows cli installation option via chocolatey (#2629, @adamrushuk)
+  * Documentation: Update Jekyll to 4.1.0. Switch from redcarpet to kramdown for Markdown renderer (#2625, @tbatard)
+  * improve builder image handling so that we don't rebuild each `make shell` (#2620, @mauilion)
+    * first check if there are pending changed on the build-image dockerfile if so build it.
+    * then check if there is an image in the registry if so pull it.
+    * then build an image cause we don't have a cached image. (this handles the backward compat case.)
+    * fix make clean to clear go mod cache before removing dirs (for containerized builds)
+  * Add linter checks to Makefile (#2615, @tbatard)
+  * add a CI check for a changelog file (#2613, @ashish-amarnath)
+  * implement option to back up all volumes by default with restic  (#2611, @ashish-amarnath)
+  * When a timeout string can't be parsed, log the error as a warning instead of silently consuming the error. (#2610, @nrb)
+  * Azure: support using `aad-pod-identity` auth when using restic (#2602, @skriss)
+  * log a warning instead of erroring if an additional item returned from a plugin can't be found in the Kubernetes API (#2595, @skriss)
   * when creating new backup from schedule from cli, allow backup name to be automatically generated (#2569, @cblecker)
+  * Convert manifests + BSL api client to kubebuilder (#2561, @carlisia)
+  * backup/restore: reinstantiate backup store just before uploading artifacts to ensure credentials are up-to-date (#2550, @skriss)

changelogs/unreleased/2550-skriss

-backup/restore: reinstantiate backup store just before uploading artifacts to ensure credentials are up-to-date

changelogs/unreleased/2561-carlisia

-Convert manifests + BSL api client to kubebuilder
\ No newline at end of file

changelogs/unreleased/2569-cblecker

-when creating new backup from schedule from cli, allow backup name to be automatically generated

changelogs/unreleased/2595-skriss

-log a warning instead of erroring if an additional item returned from a plugin can't be found in the Kubernetes API

changelogs/unreleased/2602-skriss

-Azure: support using `aad-pod-identity` auth when using restic

changelogs/unreleased/2610-nrb

-When a timeout string can't be parsed, log the error as a warning instead of silently consuming the error.

changelogs/unreleased/2611-ashish-amarnath

-implement option to back up all volumes by default with restic 

changelogs/unreleased/2613-ashish-amarnath

-add a CI check for a changelog file

changelogs/unreleased/2615-tbatard

-Add linter checks to Makefile
\ No newline at end of file

changelogs/unreleased/2620-mauilion

-improve builder image handling so that we don't rebuild each `make shell` 
-first check if there are pending changed on the build-image dockerfile if so build it.
-then check if there is an image in the registry if so pull it.
-then build an image cause we don't have a cached image. (this handles the backward compat case.)
-fix make clean to clear go mod cache before removing dirs (for containerized builds)
-

changelogs/unreleased/2621-jaygridley

-restic: add support for setting SecurityContext (runAsUser, runAsGroup) for restore

changelogs/unreleased/2625-tbatard

-Documentation: Update Jekyll to 4.1.0
-
-Switch from redcarpet to kramdown for Markdown renderer
\ No newline at end of file

changelogs/unreleased/2629-adamrushuk

-Update basic-install.md documentation: Add windows cli installation option via chocolatey

changelogs/unreleased/2635-jessicagreben

-Add a new supported provider for an object storage plugin for Storj

changelogs/unreleased/2636-ashish-amarnath

-move CSI plugin out of prototype into beta

changelogs/unreleased/2638-adamrushuk

-Update basic-install and release-instructions documentation for Windows Chocolatey package

changelogs/unreleased/2651-laverya

-bump Kubernetes module dependencies to v0.18.4 to fix https://github.com/vmware-tanzu/velero/issues/2540 by adding code compatibility with kubernetes v1.18

changelogs/unreleased/2660-carlisia

-Improve velero download doc
\ No newline at end of file