Include local gitconfig at the end of .gitconfig

Allows for customizing git's commit message template and overriding fetch.prune.
Prevent evil nbsp from being invisible

Not seeing these can be problematic, since you won't know what broke your code on the day that one of them sneaks in.

Here's a few other common characters people use for this: https://github.com/search?utf8=%E2%9C%93&q=nbsp%3A+extension%3A.vimrc&type=Code&ref=searchresults
Updating readme to use thoughtbot/formulae

Brew bundle is deprecated. fixes #309
Removes Brewfile, no longer needed
Ignore tags file, but not directories named tags
Wrap at 72 characters for git commit messages

The body of a git commit message is conventionally ([1], [2]) wrapped at
72 characters. This commit adjusts .vimrc to automatically wrap the body
of git commit messages at 72 characters.

[1]: http://robots.thoughtbot.com/5-useful-tips-for-a-better-commit-message
[2]: http://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html
Add /usr/local/sbin to PATH

Some homebrew formulae, (e.g. [RabbitMQ][1]) link binaries here.

[1]: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/rabbitmq.rb
include, filter, user
Revert "include, filter, user"

This reverts commit 383612ac4cb05641fce1a9b1051afd238365f69e.
Spell check git commits
Use POSIX compliant test command in git hooks

Ubuntu systems will error out on `[[` in shell scripts with `#!/bin/sh`
as the shebang.
Show only basename and git branch in prompt

* Switch order from "[git branch][pathname]" to "basename git branch %".
* Remove noisy brackets.

Example old:

    [master][~/dev/thoughtbot/dotfiles]

Example new:

    dotfiles dc-prompt %
Use powerline over deprecated vim-powerline
Ruby motion snippets
somethign
More alias'
Adding oh-my-zsh submodule
Adding ruby performance tweaks
Submodule update
More dotfile tweaks