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
Prefer single quotes
Refactor tests

Use assertIn and assertNotIn where possible.
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
Update development and CI configurations

* When validating coverage, run all layers except Robot
* Run code analisys on CI
Add a list of sites using collective.cover
Minor style improvements for layout tab