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Merge branch 'develop' into NewContent

Conflicts:
	Tools/Pipeline/Windows/MainView.Designer.cs
New content dialog now functional.
New Content dialog now looks much nicer and allows you to give the item a name.
Templates are now defined by data files which can be located in either the working directory /Templates or any subdirectory of the mgcb project.
Merge branch 'pipeline7' into NewContent

Conflicts:
	Tools/Pipeline/Common/IController.cs
	Tools/Pipeline/Pipeline.csproj
	Tools/Pipeline/Windows/MainView.Designer.cs
Merge branch 'pipeline7' into NewContent
Merge pull request #2675 from SickheadGames/NewContent

New Content