bash_completion.d updates
Add urxvt resources
Updated shell configuration
Updated VCS config
Update tmux configuration
Update Vim configuration
Have git post-checkout hook work if there is no .hgignore
Change vim plugin submodules location, and add a couple.
Add some more vim submodules
Some additions to shell configuration

Including an updated _R PS1 function that works with the new format of
git submodules, where '.git' is a file (not a directory) containing
'gitdir = ../relative/path/to/git/dir'
Add CVS and SVN config files, as well as forcing bashrc to be text