added support for active separable CMA-ES, IPOP & BIPOP, ref #36
fixed bug on function budget for large population regime in BIPOP
improved log of max budget stopping criteria
fixed bug in bipop by cleaning up interface to iteration increment in main optimizer and solution object
first realization of lower memory trace for sep-CMA-ES
reduced memory trace of sep-CMA-ES to finally reach linear size everywhere
Merge branch 'master' into internals_45
Merge branch 'master' of github.com:beniz/libcmaes

Conflicts:
	src/cmastrategy.cc
Merge branch 'master' into internals_45
updated example with new next iteration scheme