Modify make flags for gslcomplex.
WIP: Add a test for frequency offset (comm).
Add an std::complex<int> to gslcomplex.
Add results of profiling gslcomplex.

- Next time, also note down make flags, otherwise this whole exercise is
  pretty pointless.
Ignore all *.bin files in movingaverage.
Add a test for moving correlations.
Add a test for preprocessor tricks.
Add a test for pyaudio.
WIP: Add a test for scipy weave.