Initial commit for distribution package. Contains Exponential, Laplace, Normal, and Uniform
Added capability for distributions to use an alternate source of random numbers
Added Bhattacharya, Chi-square and Intersection distance to compare distributions.
Fixed bugs;
Added Bhattacharyya(), Hellinger() and tests;
Removed Intersection().
Reorder functions in alphabetical order.
Remove normalization in bhattacharyyaCoeff().
Fixed spelling of Kullback-Leibler.
Merge pull request #7 from gonum/bug-KL

Fixed spelling of Kullback-Leibler.
Fix documentation
Merge pull request #6 from pradeep-pyro/stat_distances

Added a few statistical distances
Removed allocation in DLogProbDParam and improved comments.
Changed Parameters and SetParameters to Marshal and Unmarshal slice. Added parameter maps
Fixed tests associated with Parameter change
Changed FitPrior to SuffStat and ConjugateUpdate. Updated tests.
Added TODO for improving ConjugateUpdate
Changed (Un)MarshalSlice to (Un)MarshalParameters to add additional safety. Added interface definition.
Added clarification comment to ParameterMarshaler that the order is fixed.
Merge pull request #4 from gonum/feature-dist

Initial commit for distribution package. Contains Exponential, Laplace, ...
Removed ParameterMap functions and variables. Deleting was supposed to be part of the initial commit.
Added JensenShannon distance function with test
started adding KolmorgorovSmirnoff