NAnt build script: add buildXStemplates target for XS project templates add-in
NAnt build script: add buildXStemplates target for XS project templates add-in

mono/CocosSharp,hig-ag/CocosSharp,haithemaraissia/CocosSharp,hig-ag/CocosSharp,TukekeSoft/CocosSharp,MSylvia/CocosSharp,mono/CocosSharp,MSylvia/CocosSharp,haithemaraissia/CocosSharp,zmaruo/CocosSharp,TukekeSoft/CocosSharp,zmaruo/CocosSharp