use alias method for second draw from multinomial
fix package
fix package
fix comment
synchronize alias sampling and add test
clean up headers
Merge pull request #258 from jacobandreas/master

Implement alias sampling for Multinomials
first draft
improved
deleted commented code
improved
removed implicit parameters
Ordered -> Ordering
renaming
added using bisearch
replaced implicitly[Ordering[T]].* with operators
moved source code from src/ to math/
working state
working state
Added LinearIntepolator object