Adding simple access to input widget's selection_color()..



git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@9918 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Format tweaks, added some examples.



git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@9919 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Fixes STR #2962: Applied patch from ossman



git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@9920 ea41ed52-d2ee-0310-a9c1-e6b18d33e121