Colour changes for search.
Add icons for Show Thumbs and Indicate sensitive material
Changes to colours and buttons. Added a menu for search actions on selected items.
Merge branch 'master' into ti_search_fixes

Conflicts:
	web/WEB-INF/views/search/searchResults.ftl
Merging representative image changes.
Merge pull request #838 from nla/ti_search_fixes

Search Fixes