Added hashcode and equals overriden methods.
Updated hashcode and equals methods.
Remove unused file.
Added info about previous active state to toString()
moved getPreviousActiveState to Segment class
Added method for determing a Segment's previous active state.
New test for getPreviousActiveState()
Implemented and tested Neuron method getBestPreviousActiveSegment()
Setup class for testing TemporalPooler methods
New test class for complex methods in Neuron class.