Minor formatting changes (again)
Finished fixing up environment variable files
Moved shell options to a separate file
Added a completion file for bash
Fixing up a lot of loose ends.
Merge branch 'master' of github.com:joshuaspence/dotfiles

* 'master' of github.com:joshuaspence/dotfiles:
  Added an alternative version of the `stakeout` script. I shall compare the two and choose the better one
  Added a script for bookmarking directories
  Added man environment variables
  Added browser environment variables
  Added various configuration stuff that I want to investigate
  Added various functions
  Added various functions
  Separated iface function
  Added links to the source of these aliases
Various formatting improvements
Various improvements