Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
#298 Created attributes adapters for default validation messages to be taken from resources file.
Core events class added.
Created external jQuery object in debug mode (bj)
#234 Articles path added to all configs
Fixed spinner position in grids; search box focusing removed to bcms;
#168 Loading only widgets with non-deleted categories
added inactive elements style.
#282 Created CSS class for bcms layers, when calculating max z-index
#282 Merge branch 'master' into dev

Conflicts:
	Modules/BetterCms.Module.Root/Views/Shared/Partial/Region.cshtml
#285 Files uploader fixes
#298 Created validation messages adapters
#298 Removed validation adapters, added validation messages everywhere they are used
#295, #325: Fixed bug, when pressing enter and validation fails in forms
#294 Fixed mapping of very long widget option values