Merge
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev

Conflicts:
	Modules/BetterCms.Module.Root/Models/Maps/PageContentOptionMap.cs
#127 Updated style.
API project added. #31.
A data migration console application fixed to support silent run.
#107 Improve search.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
fix #107 done.
Updated search improvement.
fix #108 fixed html editor to insert image in a source mode.
#108 fixed insert files in source mode.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev-fileupload
#82: selectors updated; message added after file saving fail.
#82: Folder selection disappearing after form refresh fixed.
Html5 upload enabled.