Fix to inverse Wishart for #101 andchanged Wishart likelihood to correspond to the form in the docstring
Added _halt() call to isample to fix #323
Updated test suite call
Improved error message for DIC calculation when GP model is passed to fix #126
Fixed value indexing for NormApprox to close #313
Ridiculous hack to make test_distributions pass
Fixed NormalApproximation indexing bug (I think)
Remove duplicated NoStepper class
Switched html docs output directory to default, fixing #348
Merge pull request #349 from cdeil/dups

Remove duplicated NoStepper class
Fixed inverse_wishart_like bug referenced in #345