- adjusted nw flags (harmony generators)
- removed useless console.log entries in server.js
- improved serial port handling for scanner class:
 * better error handling for retrieval of serial ports
 * restructured serial port connection code :
   * basic support for retries
   * better error handling
   * "connected" flag is now set only when actually connected

- fixed / added workaround for serial port incoming data parsing
 when within nw

- minor tweaks and cleanups
- added optional passing of camera / video device index
- started fleshing out scanner-wrapper: (nw mode mostly)
 * added actual initialization for scanner (nw not socket.io)
 * added /fleshed out basic api (nw, not socket.io)
 * added (but commented out) bits and pieces of old socket.io code
 * added some basic public properties/attributes
- started migration of code from client/server to scanner-wrapper
  (which encapsulation both client/server via socket.io and node-webkit
versions)
 * migrated a good portion of the main methods/api ie connect, scan,
calibrated etc to use scanner-wrapper
 * modified handling of calibration images to use scanner wrapper &
databinding
 * first pass modifications for displaying point clouds (wip)

- fixed typo in paper-dropdown-menu