Replace non-existent `git` plugin with `bundler` in fish.config template

My personal theme, including cwd and git

Update README.textile

There is no ~/.oh-my-fish/templates/config.fish-template file

add custom theme (l)

automatically loaded files should not have the suffix '.fish' otherwise fish thinks they are functions

added custom directory to gitignore.

fixed robbyrussell theme to use bold colors.