Change aliases, git, mutt, vim and RCM hooks

* Alias `rm` to `trash` because I can't stop myself from using `rm -rf`
* Adds an incremental patched git add
* Modifies RCM pre-up to install commonly used Gems and NPM packages
* Adds some new globals to Mutt
* Removes template from Rails
* Remove CF Utils Vim plugin
* Adds Angular plugin to Vim
* Change Node version in ZSH right prompt