function to find peak of chsq pdf, vectorized
better docs
updated __init__
test for rt-chisq
better test
better doc
pyflakes, deleted extra blank line
better docs for sphynx
Merge pull request #129 from drammock/chsqReaxTime

ENH: Chsq reax time
FIX: Fix antialiasing
ENH: Even better sampling
ENH: Generalize concentric circles
FIX: Fix config