Merge pull request #140 from joergkappes/master

bugfixes
Merge pull request #142 from joergkappes/master

bugfix for  lazyflipper unit-test and multicut
Merge pull request #144 from joergkappes/master

bugfix typo in graphcut-test
Merge pull request #145 from joergkappes/master

bugfix constrainOptimum in inference.hxx
Update test_transportsolver.cpp

Assert on a random number is not valid, since even with seed different systems generate different numbers!
Merge pull request #34 from opengm/master

remove invalid assert