Adding FreeBSD C coding style rules into Vim.
Stop faffing about with Powerline fonts.
Adding my fork of oh-my-zsh as submodule.
Stop using concurrent connection with OfflineIMAP.

Sync'n both email accounts at concurrently creates a race condition with
the notmuch hooks that will quite often result in notmuch throwing a
hissy fit as Xapian lockfiles will be present.
Removing .Xdefaults as using .Xresources instead.

Xresources is the newer/recommended way and my .Xdefaults is cluttered
anyway.
Adding first stab at Makefile installer.