Fix video socket & get drone state
Merge pull request #15 from thibhul/master

Fix video socket & get drone state
Trying decoding with FFmpeg.
Makefile is now more generic and has automatic header dependecies.
Worked on integrating video decoding, compiles fine but untested.
Note : the .d files are header dependency descriptors generated by gcc for each source (.c) file.
A few corrections
Merge pull request #16 from hecfac/master

Add video decoding using FFmpeg
merge conflicts