Add generated_code_attributes option, defaulted to false to generate the CompilerGeneratedAttribute and GeneratedCodeAttribute attributes

variations (WP).  Changes are primarily superficial since they are to support
the Serialization assembly and unit tests compiling in the CF which has not
been done before.

include the space - it definitely doesn't look idiomatic...

we don't want any arguments, to avoid ambiguity with indexers.

(Also, change a few "typeof (Foo)" to "typeof(Foo)". Fuller replacement coming.)

Added /nologo for all msbuild calls

Added CleanAll batch file
Added the now rhino-free service test to silverlight

desired version of Visual Studio.