Modify fl_gleam.cxx to experimentally remove
an inclde of <iostreams> and a call to 
"using namespace std;" that appear to be unnecessary
in this code.

Also add the svn $Id$ lines, which appear to have
been missing before.



git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10141 ea41ed52-d2ee-0310-a9c1-e6b18d33e121