Added support for Fraunhofer / TeleOrbit Flexiband front-end
demultiplexed signal files (interleaved I/Q byte-size files,
post-process only).

Use sample configuration file gnss-sdr_Hybrid_byte.conf to try it!

Go to http://www.iis.fraunhofer.de/de/ff/lok/leist/test/flexiband.html
to obtain free captures from Fraunhofer
Remore the ";" in the list of compiler flags since it was giving
problems in some environments
Update list of OS: Ubuntu 14.10 and Mac OS X 10.10 Yosemite