loading theme either from custom or from oh-my-fish dir
adding documentation for robbyrussell theme
Adding a link for the themes folder to the README.
Copy and Paste fix! :P
Improving robbyrussell theme documentation.
Agnoster theme description.
function to restore original fish colors
Added custom theme "coffeeandcode"

  * sets all fish_color and fish_pager_colors
  * displays git information in the command prompt if available
  * splits current working directory and additional prompt info on two lines
Added README to theme