Added Avg Size to print out
Moved ObserverTest into umm.semanticgp package

Refactored project:
Crossover: created helper method for finding index 
LocalDBOvserver: created helper method for child creations and
relationship creation
Mutation: removed duplication
Tourney: removed unnecessary new fitness call
Evolvertest: had to added testpoints list to call fitness
TourneyTest: added a Fitness object to calc fitness of individuals