fixes #4019 Compute Resource -> New Image renders on Compute Profiles tab

fixes #3984 - use __ instead of _ for i18n to avoid conflict with underscore.js

fixes #3178 - add feature for compute profiles for hostgroups and hosts

refs #3811 - additional bootstrap 3 updates/fixes

• css renamed alert-error is now alert-danger
• spinner progress indicators are back
• fixed progress bar on create host

fixes #3811 - merge with new layout

Fixes #3811 updating to bootstrap 3

Changed the on content load direct method call to event

This change allow extending the on content load easly.

refs #3254 - Using the two-pane layout in some pages.

fixes #3254 - Added support for unobtrusive two pane control