initial commit in new branch alsa_audio.
this branch hold all changes to use alsa-audio instead phonon-audio for linux based plattforms.
Finish simple implementation of alsa_audio driver
 * alsa driver running in own QThread
 * driver can queue audio messages
 * flite created audio files will stored in ~/apmplanner2/tmp_audio
 * skipping flite if audiofile exist
Add a dark background to FW Buttons for a better look
Addition of extra error checking in APM firmware uploading, and properly handling the errors
Fix layout for scroll view in Frame Type Config view
Fixes Compass Calibration Progress Dialog to be centered in mainwindow
Fixes Radio Calibration Dialogs to be centred
Added Progress Bar to flight mode updates
New SQLite database backend for graph data
Proper using of in-memory sqlite database, and faster loading of datalogs
Change for less CPU usage and ram usage
Fix for non working mouse interface for AP2DataPlot
Fix for type issue preventing compiling in linux
Fixed missing refactor of Flight Mode detection
Reorder Tuning Option Orders
Rename APM PIDs Config View as Extended Tuning
Hide Advanced Param and Extended Tuning views
... unless in Advanced Mode
Fix Plane and Rover to reflect they do not have a Basic Tuning view
Update to version 2.0.6
AutoUpdate Feature - Part 1 - Remote Version Checking