Add fixes to use scipy instead of cogent
Fix failing tests with SciPy
Fix tests to use numpy's assert_almost_equal
Merge branch 'master' of git://github.com/qiime/qiime into fit-function
Fix failing tests

I blame these differences on things that run using SciPy optimized vs my
local version that is not optimized.
There's rage inside my body, I hate this

This is stupid this is very very stupid.
Merge pull request #1433 from ElDeveloper/fit-function

Remove import of cogent.maths.fit_function