Switch DotNetNuke references to 6.0.0
Change DNN files to 7.0.5
Revert "Switch DotNetNuke references to 6.0.0"

This reverts commit 7770f252378df0dab163d7698fe193096c00d8dd.

Conflicts:
	Source/References/DotNetNuke.Web.dll
	Source/References/DotNetNuke.WebUtility.dll
	Source/References/DotNetNuke.dll