Add, delete, and modify themes

* Add Solarized Light.terminal

* Delete init/Preferences.sublime-settings

* Delete init/Solarized Dark.itermcolors

* Rename init/Solarized Dark xterm-256color.terminal to Solarized
  Dark.terminal

* Solarized Dark.terminal:
  * Change font to Menlo Regular 11 pt.
  * Hide window settings name in title