Fixes #3569, #3210 - Use port from foreman_url for templates

fixes #3581 - link to reports search for failed hosts should use "host = foo.example"

fixes #3338 - grey out VM form when editing is not supported

Fixes #3182 - Make IP optional in some circumstances

fixes #2951 - Host API documentation lacks compute_resource_id

fixes #3256 - include members in usergroup show

refs #2792 - Adding comments to pxe templates

fixes #3267 - API v1 compatibility for /api/hosts

Fixes #3350 - Adds title on login page

fixes #3279 roles edit page is long and missing a filter