Update sieve/quentin.sieve

Add rule for the OpenMW mailing list.
Update sieve/quentin.sieve

Add rule for the GTA04 mailing list.
Update sieve/quentin.sieve

Add rule for OpenWall's oss-security list.
Update vim/vimrc

Tweak airline options.
Update .gitmodules

Fix submodules URLs.
Add submodule vim/bundle/YouCompleteMe
Update bash/bashrc

Add Ruby gems directory.
Update bash/bash_aliases

Add alias to wrap vimb with Tor.
Add cheat/wmctrl