(minor) use Rc before Common consistently
(minor) log END line for commands also
other minor fixups
logging level changes
(perltidy)
git-config key check should ignore case
perl 5.10 giveth, and 5.18 taketh away...

lexical $_ is suddenly "experimental"!  WTF?
change unlink to rm -f
Add "readme" command to gitolite

The "readme" command allows users of wild repos to view, add or remove
a README.html page.

The code is largely modelled after the "desc" script.