added logger
added observer pattern
added nunit test
delete_binaries
added network connection to radio
edit ui
added  "speaker" class
added play  captured sound
added mic bar on mainwindow
Added "WaveHeader" class
added "waveoutput" class
now is: get raw pcm stream from file,
read from piece to piece, for every piece
calculate peak and send to speakBar on mainWindow,
then return this piece to WavePlayer.
linked "press ptt"-playdemo-"releaseptt"
added input ip check,
added check sound device index
corrected shutdown app