* */*.cs : add lgpl license blurb and clean up (c)'s.
* */*.custom : add lgpl license blurb and clean up (c)'s.
* */glue/*.c : add lgpl license blurb and clean up (c)'s.
file adds without license from now on are punishable by wedgie.
svn path=/trunk/gtk-sharp/; revision=30401
* glue/button.c: initial creating of glue file for GdkButton
* glue/Makefile.am: added button.c to glue make
* glue/makefile.win32: added button.c to win32 glue make
* gtk/Button.custom: expose in_button GdkButton member
svn path=/trunk/gtk-sharp/; revision=19486