Add new files for Ubuntu migration.
[zim] Updated.
[perl] Get rid of perl configuration.

Will migrate scripts to Ruby or Python.
[mutt] /etc/Muttrc.gpg.dist not available/necessary on Ubuntu
[lib/functions] Alias vi to vim with no config.
[files/gitconfig] 'st' is aliased to 'git status -s'.

Git 1.9 is not in Ubuntu repos yet.