Completely changed the interface adding a menu system, large font, improved parameter setting screens, and support for Fahrenheit.

Added compilation options:
   * Support for non-RGB backlit LCDs.
   * Support for 20 character wide displays.
   * Made logging optional.
   * Default setpoint, Kp, Ki, and Kd values.
Renamed to SousVideno
Update README.md
Update README.md
Merge pull request #1 from bradydoll/develop

New Interface