0.3.1 Nov 1:
  o Support user provided logfile option and default to bitmask.log
    otherwise. Fixes #4153.

0.3.0 Aug 23:
  o Use bitmask.log instead of leap_client.log. Closes #3424.
  o Update launcher icon, jumping guy -> rainbow mask.
  o Use system's Qt libs if Ubuntu is detected as the host OS.
  o Update launcher.py to use the new namespace leap.bitmask.

0.2.0 Jul 12:
  o First release of the leap client launcher