activate phonon audio. !!crashed on destroy:( need fix.
Merge remote-tracking branch 'upstream/master'
add class alsaaudio and audioworker.
add dir audio.
add dir audio.
move AlsaAudio and AudioWorker files to dir audio
Merge remote-tracking branch 'upstream/master'
change all fprintf to QLOG_INFO()
wor on alsa implementation
Merge remote-tracking branch 'upstream/master'
replace temp audio file against permanent files.
filenames the sanme than spoken words in messages.
if new messages will spoken a new file will create.
if known messages are spoken old files will used.
this save time and make audio message queue simple.
remove unused and testing stuff
add simple queue for audio messages.
remove audioworker class and files. wait on distroy GaudioOutput until AlsaAudio Thread is running
restore local broken encoding on src/GAudioOutput.cc
add emergency allert
Merge remote-tracking branch 'upstream/master'

Conflicts:
	qgroundcontrol.pro
Status:
	solved
add UAS audio message for current based battery persent calculation
update debian control, clean alsaaudio class and add volume control
float to void
add QGroundControl informations to alsaaudio.h
add license information to alsaaudio.cc