Extended Project type App

Project type App added for mobile + windows 8 plattform
Use FrameworkVersion to set iOS SDK Version
Added Interfacedefinition mapping

+ error fixing framework version iOS
Platform specific configuration sections

enables iOS and windows phone specific platforms
Solution changes for iOS
Merge github.com:JoschaMetze/Protobuild

Conflicts:
	Protobuild.exe
	ProtobuildManager/bin/Debug/ProtobuildManager.exe
Added support for Windows Phone 8 apps

Multiple changes to support Windows Phone apps (guids, additional
options, xna libs, solution platforms)
Content project for windows 8 extended (content instead of none)
Merge branch 'pr/2'

Conflicts:
	Protobuild.exe
	ProtobuildManager/bin/Debug/ProtobuildManager.exe
Bug fixing Android and WindowsGL projects

Android app has to be set for libraries too
Platform specific content projects + WindowsPhone xap file names

+ any cpu configuration for windows phone
Merge branch 'master' of github.com:hach-que/Protobuild
Merge remote-tracking branch 'JoschaMetze/master'

Conflicts:
	Protobuild.exe
	ProtobuildManager/bin/Debug/ProtobuildManager.exe
Prevent empty .nuspec files from being created.