New xtion parameters, fix the publication rate in stream_player.cpp
Import of audio_tools package with only stream_extract for now.
Moving stream_player to audio_tools, new stream diagnostic output in manyears_node.
Xtion test config with 6 extra fake microphones.
Add position exploitation to test launch file for manyears_node/xtion.
Longer buffers in manyears_node, cleanup in conversion routine.