Merge commit '1b9d6ddd4e8b' into merge2

Conflicts:
	init
	src/pikater/Agent_AgentManager.java
	src/pikater/Agent_DataManager.java
	src/pikater/Agent_Search.java
Removed Java GUI. Changed second objective to RMSE.
Added support for simple (naive) multiobjective optimization.

SearchItemIndividual now stores vector of objective values.
TwoObjectiveTournament added -> selects the individuals based on the
objectives in the lexicographical ordering.
Added proper multiobjective optimization (NSGA-II)

WARNING: Work in progress, not tested.
Fixed error in Agent_ComputingAgent. Debugged multiobjective optimization.

Also changed the TournamentSelector to minimize the fitness, and changed
the fitness accordingly.
missing files
Tweaks in Agent_EASearch.
Merge branch 'development' of https://github.com/peskk3am/pikater4 into merge
Merge branch 'development' into merge

WARNING: May contain errors

Conflicts:
	init
	src/pikater/Agent_AgentManager.java
	src/pikater/Agent_DataManager.java
	src/pikater/agents/computing/Agent_ComputingAgent.java
Tweaks, does not start