added pyFFTW patch
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
updated tests
Merge branch 'master' into fastcorr
updated travis yaml
stats test in, need to test it
statistical test working, test in
for travis n pyfftw
Merge pull request #78 from tjlane/fastcorr

added pyFFTW patch