#1156 ExternalJsIncludeDescriptor class added
#1156 Add isExternal property, add logic for external JS file and JS minified file
#1078 Fix for clone page
#1156 Additional check for not empty minified file path when use external JS
#1160 update Microsoft.AspNet.Mvc.dll version
#1160 Fix project files - remove nuget package .xdts
Copy Local of System.Web.Mvc changed to true
#1150 Check if model in edit mode
#1153 Add confirmation message when manage content dialog is closing
#1163 Add content name in delete confirmation dialog
#1153 Refactor confirmation dialog for page structure
#1153 Fix for save event
#1149 Possible solution, should be reviewed
#1153 Fix check for sorting change
#1149 Additional div for regions with 1 item in list to have possibility drop item back
#1153 Fixed confirmation dialog for saving sorted contents in contents tree modal
#1149 Fixed content drag and drop, when there is only one content in the region
Merge branch 'dev' into dev-1.9.0

Conflicts:
	Modules/BetterCms.Module.Root/Views/Shared/Partial/ContentsTree.generated.cs
Regenerated ContentTree