Small fixes
Use just one thread object in order to receive data
Fix image format
Use buffers instead of streams. Fix receiver error state.

The encoder sends information about keyframes. The decoder starts the
play at the first received keyframe.
The encoder always uses the same codec context
The LED is red during the capture
Fix indentation
The Consumer class is now a hybrid network client-server
A new command line acquisition application
A new receiver mode that initiates che connection to the sender