Start on Android fast app resume.

Ref: http://forums.xamarin.com/discussion/621/androidgameview-pause-without-losing-gl-context/p2
Move DeviceResetting to when the Context is lost, which is where it should be now. Fast app resume works!

Fixes #2600
Add a listener for ScreenSize changes too so we get killed less often, requires building with SDK 3.2+ (4.0+ with Xamarin)

ref http://forums.xamarin.com/discussion/comment/60864/#Comment_60864
Initial 2MGFX protobuild definitions.
Removed old 2MGFX project and solution.
Added 2MGFX to ignored csproj.
Fixes to support .NET 4.0 profile.
Added protobuild definition for MGCB.
Removed old MGCB projects and solutions.
Added MGCB csprojs.
Fixes to run on .NET 4.0 profile.
Protobuild definition for Pipeline project.
Removed old Protobuild project and solution.
Added Pipeline csproj.
Tools are now build as part of the desktop Windows, Linux, and MacOS builds.
Fixed installer script to reference new path for tools.
Merge branch 'develop' into prototool
Removed xslt as we merged the changes for Android into Protobuild.exe.
Updated Protobuild EXE with new Android features and fixed ForcedArchitecture support.
Merge pull request #2773 from SickheadGames/prototool

Protobuild For Tools