* */*.cs : scrub for StringToPtrAnsi and string usage in DllImports.
* */*.custom : begin the scrub here too.
* generator/ConstStringGen.cs : implement IManualMarshaler and move to
100% IntPtr marshaling.
* generator/Ctor.cs : call Body.Finish too.
* generator/IManualMarshaler.cs : new interface for generatables that
marshal manually and need cleanup.
* generator/Makefile.am : new file.
* generator/MethodBody.cs : use IManualMarshaler if applicable.
svn path=/trunk/gtk-sharp/; revision=41579
