Initial config
Add mkvextract automation
Load completion for Carton
Refactor Emacs module
Add rar command to archive module

This addition tries to use the rar command if unrar is not found.

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Initialize ahead and behind local variables
[#221] Do not format undefined zstyles
[Fix #221] Add a simple git-info
Rename alias gRc to gRp
Swap aliases gsd and gsL
Clarify Git listing aliases descriptions
Remove ununsed variable
[Fix #307] Do not auto-off git-info

Instead of turning off git-info when CTRL+C is caught, show instructions
on how to turn it off manually.
Remove the git-info SIGINT message

Users should read the Git module README on how to turn git-info on and
off.
[Fix #103] Add documentation for editor
[Fix #425] Rewrite module ssh-agent; rename it to ssh
Make gpg-agent and ssh-agent work with each other
Better reflector usage
Add db-update
[Fix #437] Always set $TMPDIR