first working 'initial elitist' solution. check on number of time steps between best seen candidate and final one is deactivated for now. ref #77
Merge branch 'dev' into elitist_68
Merge branch 'dev' into elitist_68
initial-elitist: restart if the best seen solution is not within the 3 last best candidates, ref #77
added median equality as trigger to stagnation criteria
improved debug output in cmastrategy
added support for optima hopping, ref #77
Merge branch 'dev' into elitist_68

Conflicts:
	src/cmaparameters.h
	src/cmasolutions.h
	src/cmastrategy.cc
	tests/test-functions.cc
merge elitist strategy, left optima hopping aside for now, ref #77