SAKIII-5630 Removing CSS rules in sakai.base.css that are duplicated dashboard.css.
https://jira.sakaiproject.org/browse/SAKIII-5630
SAKIII-5630 Transferring non-duplicate "Add Sakai Goodies" styles from sakai.base.css to dashboard.css and removing 840px-wide change layout dialog from base.css
Merge master into 1.5.0
SAKIII-3434 - fix typecheck for undefined
SAKIII-5059 only rerender if data has changed
SAKIII-5059 initialise variable as object
SAKIII-5059 updated jquery UI with effects included
SAKIII-5059 previous jquery UI had selectable included
SAKIII-5348 fix issue with gradients
SAKIII-5287 added i18n key back in
SAKIII-5684 Only load inserterbar widget if needed
SAKIII-5630 Rolling back sakai.base.css as changes to it will conflict with SAKIII-5616
https://jira.sakaiproject.org/browse/SAKIII-5630
SAKIII-5674 Make world templates call non-blocking
SAKIII-5691 Content dragged from file system to inserter is double counted until refresh
SAKIII-5556 Merging in 1.5.0 changes to avoid merge conflict.
https://jira.sakaiproject.org/browse/SAKIII-5556
Merge branch 'SAKIII-5630' of git://github.com/apex13/3akai-ux into SAKIII-5630

* 'SAKIII-5630' of git://github.com/apex13/3akai-ux:
  SAKIII-5630 Rolling back sakai.base.css as changes to it will conflict with SAKIII-5616
  SAKIII-5630 Transferring non-duplicate "Add Sakai Goodies" styles from sakai.base.css to dashboard.css and removing 840px-wide change layout dialog from base.css
  SAKIII-5630 Removing CSS rules in sakai.base.css that are duplicated dashboard.css.
  SAKIII-5630 Obliterated the rest of SitesPages.css. So much for a consolidation.
  SAKIII-5630 Cleaning up some unnecessary cruft from lhnavigation.css and sakai.base.css
  SAKIII-5630 Removed unnecessary selectors from SitesPages portion of consolidated lhNavigation CSS.
  SAKIII-5630 Removing unused css selectors from lhnavigation.css (Non-SitesPages portion)
  SAKIII-5630 Fixing line change at end of file.
  SAKIII-5630 Updating modified lines of consolidated CSS to align with style guide.
  SAKIII-5630 Consolidated lhnavigation CSS
Merge branch 'master' of github.com:sakaiproject/3akai-ux

* 'master' of github.com:sakaiproject/3akai-ux:
  SAKIII-5691 Content dragged from file system to inserter is double counted until refresh
Merge remote-tracking branch 'jsloane/SAKIII-5348' into SAKIII-5348
Merge in SAKIII-5348 & fix conflicts
Merge pull request #2156 from bp323/SAKIII-5684

SAKIII-5684 Only load inserterbar widget if needed

* bp323/SAKIII-5684:
  SAKIII-5684 Only load inserterbar widget if needed