Adding the .extra file for the netbook.
Removing refrences to .bash_aliases which is redundant to .aliases
Adding a git_dirty_character function.
Merge branch 'master' of github.com:suthsc/dotfiles into netbook

* 'master' of github.com:suthsc/dotfiles:
  Adding the git_dirty_character function.

Conflicts:
	.bash_prompt
Merge branch 'master' of github.com:suthsc/dotfiles

* 'master' of github.com:suthsc/dotfiles:
  fixed the lol alias command
  Remove some OSX specific items which I don't currently use.
  Adding a ssh check to usernamehost()
  Removing links to non-existant executables.
Removing .extra and adding three aliases to .gitconfig.