fixed gui directory structure
added video test source, minor fix in ivideoplugin interface
implemented simple videoplayer(should be more advanced in the future;)
Corrected code style
Few fixes according to Marcin's code review.
improved videoplayer
added play and stop button
get_image method implemented in videotestsrc
fixed build error, added namespace, changes acording to code review, changed code styling in some places
changed names in test/telemetry_contorls/Battery.cpp
build fix
build fix
added IVideoSourcePlugin implementation in RtpClient
added config window
moving serial port to boost
added getters for boost serial port options with translation to custom types
added setters with boost <-> our code translations
added setters with boost <-> our code translations
minors; formatting, thread for io_service
SerialPort is observable now
Implemented async read (i think so)