fixed permissions for executables
initial gitignore
added Tk::Autoscroll and Tk::UnderlineAll

These used to be symlinked in the old RCS directory, and are
now copied from biokovo's ~/lib/perl.
MANIFEST.SKIP update for git and modern EUMM (MYMETA*)
moved most scripts to "support" subdirectory

adapted README and MANIFEST
get_skeleton.pl is actually a symlink
removed restrict_domain.pl, it was never implemented
fixed "use lib" in moved scripts, and removed RCS Id stuff
Changes and Makefile.PL (for META): mention movement to github
support for png icons
modernized Timex::Project::save

- use three-arg open
- use lexical filehandle
- use binmode, so no changes between Unix+Windows
- fail also on failed close()
- restructured
modernized Timex::Project::load

- use three-arg open
- use lexical filehandle
- use binmode, so no changes between Unix+Windows
- restructured
EXE_FILES: only tktimex left

ctimex and timexserver won't be installed anymore