Added initial support to sort fields
Fix jQuery using $ and move to correct local
Merge branch 'master' into issue_248
Merge branch 'master' into issue_248
Merge branch 'master' into issue_248
Merge branch 'master' into issue_248
Merge branch 'master' into issue_248
Merge branch 'master' into issue_248
Fix icons sidebar when scrolling. Fix issue 342
Merge pull request #343 from collective/issue_342

Let the icons sidebar fixed on top when scrolling the page
Refactor accepted_ct function on all tiles

Tests updated
Prefer single quotes
Merge branch 'master' into issue_248
Refactor accepted_ct function on all tiles

Tests updated
Refactor tests

Use assertIn and assertNotIn where possible.
Prefer single quotes
Use plone.api where possible
Refactor tests

Use assertIn and assertNotIn where possible.
Merge branch 'master' into plone-api
Merge branch 'master' into issue_248

Conflicts:
	src/collective/cover/tests/test_embed_tile.py
	src/collective/cover/tests/test_file_tile.py
	src/collective/cover/tests/test_list_tile.py
	src/collective/cover/tests/test_richtext_tile.py