Log to a file always
Improve "bundlelization" by setting PYTHONPATH and PYTHONHOME properly
Set program name for python to act as we expect it to
Only setenv on non-windows systems
Add CHANGELOG
Use the system qt on Ubuntu
Update launcher icon: jumping guy -> rainbow mask.
Merge remote-tracking branch 'ivan/feature/3313_rebrand-client' into develop
Log to bitmask.log instead of leap_client.log
Update launcher.py to use leap.bitmask
Fold in changes
Only add logfile=bitmask.log if no logfile was specified
Add changes file
Fold in changes
Merge branch 'release-0.3.1'
Hotfix logfile condition
Fix paths
Do not try/except sections in the config, explicitly check for their existence

This avoids adding useless tracebacks to the real exceptions caught by
Twisted. Possible tx bug here.
Properly calculate the bundle directory
Implement updater using TUF