Merge pull request #160 from sbos/master

entropy function for Wishart distribution
Rename Triangular to TriangularDist to avoid conflict with name in Base
Merge pull request #161 from JuliaStats/anj/triangular

Rename Triangular to TriangularDist to avoid conflict with name in Base
Added multivariate t-distribution
Replaced gmvtdist with mvtdist
Renamed Triangular to TriangularDist in test/univariate.jl
Added random sampling from multivariate t-distribution
Added tests for mvtdist
Merge pull request #164 from scidom/master

Added multivariate t-distribution
Prevent probabilities > 1 in multinomial draws
improved implementation of Multinomial sampling
minor cosmetic fixes
relax a testing condition in test/fit.jl
implement more efficient wsample
implement ordered sampling
add type restrictions
switch between algorithms, shuffle by default
Merge pull request #167 from one-more-minute/ordered-sample

Ordered sampling
Update univariate.rst

Updated docs with Inverse Gaussian distribution
Update univariate.rst