Move bash stuff to the bash/ directory
Move bash_prompt to the bash/ dir
Move every bash file in bash/, update linkings
Why was .gitignore executable too?
Merge branch 'master' of https://github.com/whatyouhide/dotfiles

* 'master' of https://github.com/whatyouhide/dotfiles:
  Clean tm_properties
  Remove RVM from path, it's there by itself