Warning to save when leaving layout tab
Add/Removed the respective css-marker when the layout is edit/saved; Removed alert
Add test for feature and line in change log (CC @rristow)
Merge pull request #326 from collective/issue_314

Issue 314
Add message on template for empty carousel and enhance testing

Tests still have issues
Fix some JSHint warnings on JS files
Merge remote-tracking branch 'upstream/master' into issue_189

* upstream/master:
  Fix some JSHint warnings on JS files
  Add message on template for empty carousel and enhance testing
  Add test for feature and line in change log (CC @rristow)
  Add/Removed the respective css-marker when the layout is edit/saved; Removed alert
  Warning to save when leaving layout tab

Conflicts:
	src/collective/cover/tiles/templates/carousel.pt