Release v1.14 -- The untranslated update.

This update reverts 1.13.41+, which might have translated everything
into runes. A future release will restore the ability to translate the
software at will.

  * Make .desktop files runable.
  * Add license-blocks to debian/copyright.
  * Replace home written serial library with Qt's
  * Replace hand-written makefiles wiht propper Qmake files.
  * Various code cleanups.