CMS-1413 Tune color of add buttons for FormItemSet and Textline arrays

Add dark grey color (#555555) for particular buttons
CMS-1338 Image picker visual adjustments

Fix issue: FormItemSet is broken when image dialog is shown
Merge pull request #188 from enonic/CMS-1338

CMS-1338 Image picker visual adjustments
CMS-1421: Name from display name generator - improvements
- The generator shall never have more than one consecutive -(dash)
CMS-1412: Browse preview - Action buttons are listed in separate div for Browse previews
Live Edit: Fix issue where the highlighter animation was not removed when the component was removed
CMS-1342 Live Edit - Disable adding layout inside layout
Merge branch 'master' of github.com:enonic/wem-ce into CMS-1413

Conflicts:
	modules/wem-webapp/src/main/webapp/admin/resources/lib/ext/resources/css/admin.css
CMS-1421 Name from display name generator - improvements
- Name processing: Convert dot and forward slash to hyphen
CMS-1415 Make selected images in Image picker take same width as input component
Merge branch 'master' of github.com:enonic/wem-ce into CMS-1413

Conflicts:
	modules/wem-webapp/src/main/webapp/admin/resources/lib/ext/resources/css/admin.css
Merge pull request #187 from enonic/CMS-1413

CMS-1413 Tune color of add buttons for FormItemSet and Textline arrays
Merge branch 'master' of github.com:enonic/wem-ce into CMS-1422

Conflicts:
	modules/wem-webapp/src/main/webapp/admin/resources/lib/ext/resources/css/admin.css