Merge branch 'release/7.x-0.22' into develop
bug#16879: show #search-advanced if the search include advanced search query items
move javascript to frontend
bug 16879 toggle advanced search moved to template
$_GET array is never empty - skip this test
reflect change in logic in test
reflect change in logic in test
Refactoring:
* Turn the generation of advanced form elements into a single loop.
* Moved function groups to separate files
add feature to view full list of facet types on advanced search pages
cleanup
Tests updated
Fix for empty search codes, translations + refactoring
mockup added + test updated
add cache
Fix cache problems
Fix for elements with no search code
refactoring
Tests updated
Fix js when having multiple pop-overs
Change ID’s on pop-over to support multiple instances