fixes #1775 - API versioning name space

fixes #1764 changing per_page setting would update only after a restart

this commit changes it back to an area in the code which gets evaluated
everytime instead of upon startup only

[UI] fixes drop downs not showing up correctly when viewing a page with errors

fixes #1165 add inherited params display and override option to the host form.

Signed-off-by: Ohad Levy <ohadlevy@gmail.com>

dont fail if console bundler group is not installed

added commit comment, history and preview to the template editor.

removed depericated option

allow to consume provisioning templates via JSON, show method was missing

add more frendily error messages upon console failure

Allow to run rails console even if the support gems are not installed