Create base16 as a colorscheme

Create base16 as a colorscheme and update with various repositories for
various programs it supports.

- Update colorscheme for Chrome devtools
- Update colorscheme for iTerm2
- Update colorscheme for OS X color palette
- Update colorscheme for Textmate

Issue: #8
Update install script

- Remove cask from brew file, create new file for default casks and
  server
- Create OS X defaults file to programmatically change settings
- Remove php library from brew, create php
- Update install script to include new lib files (cask, php),  check for
  ViM and update, symlink files, source osxdefaults
- Update help for install to underline URL
- Create list file for additional software to install

Issue: #8