added own lib64 path to class Runner
Merge branch 'master' of git://github.com/mfrey/baltimore

Conflicts:
	experiment/runner.py
Merge branch 'master' of git://github.com/mfrey/baltimore
Merge branch 'master' of git://github.com/mfrey/baltimore
Merge branch 'master' of git://github.com/mfrey/baltimore
Merge branch 'master' of git://github.com/mfrey/baltimore
Merge branch 'master' of git://github.com/mfrey/baltimore
Merge branch 'master' of git://github.com/mfrey/baltimore
Merge branch 'master' of git://github.com/mfrey/baltimore
made evaluation (reading results) optional