modifying bashrc for ssh sessions through urxvt
adding .gitignore
Adding alias for a sleep timer
adding plugin for better markdown syntax highlighting
Fixing indentation settings for ruby
Add an alias for clear && rake.

The alias crake calls clear && rake. This can be convenient for keeping
things readable when rake is invoked multiple times.
Add .gitconfig to the repo

Like other dotfiles in this repo, the idea is to soft link this into a
home directory. This helps ensure consistency of dotfiles across
multiple machines.