Add volumes config to LXC driver

website: fix example json job

Ensure that bind mounting via the volumes config really did work.
Signed-off-by: Michael McCracken <mikmccra@cisco.com>

Signed-off-by: Michael McCracken <mikmccra@cisco.com>

Signed-off-by: Michael McCracken <mikmccra@cisco.com>

Signed-off-by: Michael McCracken <mikmccra@cisco.com>

Signed-off-by: Michael McCracken <mikmccra@cisco.com>

Allow lxc driver to accept bind mount config similarly to the docker
driver.

Includes some static sanity checks in Validate step
Signed-off-by: Michael McCracken <mikmccra@cisco.com>

Can't use the string syntax in json.

Also fixes typo in curl example command.
Signed-off-by: Michael McCracken <mikmccra@cisco.com>

update middleman-hashicorp

UI: Upgrade dependencies

Since prettier updated, some files have out of date formatting.

In 0.5.2, Bulma excludes the body element from the selector to work around
an issue with Wordpress.