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Fixed incorrect writing of type writer index for value types.
Merge branch 'develop' into NewContent

Conflicts:
	Tools/Pipeline/Windows/MainView.Designer.cs
New content dialog now functional.
Merge branch 'develop' into writertype
Fixed enum ContentTypeWriter crash.
ReflectiveWriter is now a template type to fix type writer mapping issue.
We should not have any collisions between type writers anymore.
New Content dialog now looks much nicer and allows you to give the item a name.
Fixed missing space before /launchdebugger command.
Fixed Build/Rebuild menu items to not be drop downs.
Unified tree view to use a single context menu for both folders and items.
Fixed item rebuild to work on multiple selection.
Added "Debug Mode" checkbox to enable content pipeline debugging.
Made multiselect properties non-browsable by the designer.
Removed setting of selected nodes.
This hides the selection properties from the designer serialization process.
Merge pull request #2673 from SickheadGames/writertype

ReflectiveWriter Fix
Templates are now defined by data files which can be located in either the working directory /Templates or any subdirectory of the mgcb project.
Fixed up deletion of items to remove empty folders.
We can no longer remove the root item.
Fixed "Add Item" to correctly open the folder location.
Added the handler back for the "Add Item..." tree context menu.
Merge branch 'pipeline7' into NewContent

Conflicts:
	Tools/Pipeline/Common/IController.cs
	Tools/Pipeline/Pipeline.csproj
	Tools/Pipeline/Windows/MainView.Designer.cs