futher test parallelization
reintroduced corr C++ code as an option for correlations
working on logging, #73
changed permissions on setup.py
updated building procedure
new inter correlator algo in, resolve #70
travis no like setuptools?
added pyFFTW patch
TIFF support added
cleaned up inheretance in parse, new TIFF test
reduced test load
updated travis yaml
test update
fixed polarization correction code, resolve #67
made photons scattered per shot an optional arg in Beam, #65
merged master -- resolved conflicts
modified setup.py to warn about fftw
working for intra correlations
inter order N method using FFTs
added tests for no fftw