Removed unused isNew attribute rendering in child contents
#1110 Fixed child content's rendering, when child content has only draft version
Merge branch 'dev' into dev-master-widgets

Conflicts:
	Modules/BetterCms.Module.Root/Mvc/PageHtmlRenderer/ChildContentRenderHelper.cs
	Modules/BetterCms.Module.Root/Services/DefaultContentProjectionService.cs
#1090 Changed logic of allowing to edit region / content