#544 Implement database content encryption logic with a custom user type.
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev

Conflicts:
	BetterCms.Core/BetterCms.Core.csproj
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
Fixes #544
Merge branch 'dev' into dev-users

Conflicts:
	Modules/BetterCms.Module.Api/IApiFacade.cs
	Sandbox/BetterCms.Sandbox.Mvc4/BetterCms.Sandbox.Mvc4.csproj