added some tests for the EmpiricalSeq class
Modified LocalActorRunner to detect number of cores
First implementation of own AliasMethod - written in Java style
Merge branch 'develop' of https://github.com/tearne/Sampler into develop
started testing reimplemented alias method
Modified Alias interface to use IndexedSeq, compatible with Sampler calls
Refactored and tidied Java style Alias method