Added documentation to the library.
Merge branch 'doc'

Conflicts:
	src/evolution/EvolutionaryAlgorithm.java
	src/evolution/MergingReplacement.java
	src/evolution/individuals/BooleanIndividual.java
	src/evolution/individuals/Individual.java
	src/evolution/operators/BitFlipMutation.java
	src/evolution/operators/IntegerMutation.java
	src/evolution/operators/OnePtXOver.java
	src/evolution/selectors/RouletteWheelSelector.java
	src/evolution/selectors/TournamentSelector.java
Added documentation to many files in the main library.