Blockie airlines

* [Regex engine fix for ruby syntax slowness](http://stackoverflow.com/questions/16902317/vim-slow-with-ruby-syntax-highlighting). Requires Vim 7.4, so some machines might need to do a `brew update`

* [vim-blockle](https://github.com/jgdavey/vim-blockle) lets you change a `do..end` into a `{..}` by pressing `b` with the cursor on part of the block.
* [vim-airline](https://github.com/bling/vim-airline) sets the status bar and makes it more configurable and useful by showing things like the current Git branch, etc.