Mrktfix (#4411)

* Updated hero with current logo

* Updated logos in these artifact images as well

* Added Branded Logo

with HashiCorp

* Updated logo with branded logo

(HashiCorp in the name)

* typo

* Wrong spot

* Updated logo

README.md

@@ -11,7 +11,7 @@
 -	Announcement list: [Google Groups](https://groups.google.com/group/hashicorp-announce)
 -	Discussion list: [Google Groups](https://groups.google.com/group/vault-tool)
 
-<img width="300" alt="Vault Logo" src="https://cloud.githubusercontent.com/assets/416727/24112835/03b57de4-0d58-11e7-81f5-9056cac5b427.png">
+<img width="300" alt="Vault Logo" src="https://github.com/hashicorp/vault/blob/f22d202cde2018f9455dec755118a9b84586e082/Vault_PrimaryLogo_Black.png">
 
 Vault is a tool for securely accessing secrets. A secret is anything that you want to tightly control access to, such as API keys, passwords, certificates, and more. Vault provides a unified interface to any secret, while providing tight access control and recording a detailed audit log.