Clean up Haskell config
I just can't get enough of modal editing.
Add Haskell support to vim.
Consolidate Haskell additions to PATH.
Squashed 'vim/bundle/neobundle.vim/' changes from ab06551..92d5b89

92d5b89 Fix #260 build behavior

git-subtree-dir: vim/bundle/neobundle.vim
git-subtree-split: 92d5b8988a2a8f68364ba53b512548e613ffc8f9
Merge commit '5c993c5f61d9e7ce478761415adbd15f541c1f6e'
Clean up emacs config.
Switch to Vundle for vim plugins.
R + vim + tmux goodness
Squashed 'vim/bundle/Vundle.vim/' content from commit 8db3bcb

git-subtree-dir: vim/bundle/Vundle.vim
git-subtree-split: 8db3bcb5921103f0eb6de361c8b25cc03cb350b5
Merge commit '0caee848d371dec63c56b4ccc27a6b7320d1a72a' as 'vim/bundle/Vundle.vim'
Remove snippets from the repository.
Remove Unicode symbols for Haskell.

They're a great idea, but it's tedious to import the right modules.
Move to a simpler emacs package management scheme.
Add zsh completion functions for some Haskell utilities.
Show status bar in tmux.
Clean up vimrc, add tags support for Haskell and R.
Make path exports idempotent.
Ignore extraneous files.
Change some aesthetics in Emacs.