HOTFIX - Fix the time keeping bug.

* In file `src/WaterfallBackend.cpp` - change snapshot code to
  use current time rather than data stream time in file names
  to circumvent the frozen-time bug.
* Change project version number to 0.1.1.
Attempt to fix the problem with switched halfs of the spectrum in waterfall.
Change version to 0.1.2.
update of repository link
readme update
HOTFIX - Add a check to the WAVStream making sure 16 bits per sample file is read.
Linker did not have  libthread in options.
HOTFIX - Fix reading chunk and subchunk size in WAV files as uint32 rather than int32.
Merge branch 'master' into hotfixes
HOTFIX: Fix the frequency axis computation by fixing binToFrequency and frequencyToBin methods.
Implement first version of bolid detection.