Merge pull request #77 from opengm/master

update from opengm:master
Added support of mask image for 3d Volume Potts model with flexible regularizer
Merge pull request #312 from JensNRAD/mask_ext

Added support of mask image for 3d Volume Potts model with flexible regu...
handle arbort due to timeout status correctly
Merge pull request #313 from joergkappes/master

handle arbort due to timeout status correctly
Merge pull request #17 from opengm/master

getting updates from opengm -master
make sequential messagepassing available in commandline tool and matlab -> todo python
VisitorWrappers moved from trws_base to visitors
set DAOOPT-Worker flag ON as default, otherwise DAOOPT do no search by default
Merge pull request #314 from joergkappes/master

sequential mesegepassing, daoopt-cmake-fix
Merge pull request #78 from opengm/master

Python update
commented code removed
Merge pull request #315 from homul/master

moving Visitor Wrappers from trws?base to visitors namespace
Merge pull request #2 from opengm/master

From opengm/opengm to DerThorsten/opengm
fusion moves
implemented fusion based inference python wrapper and fixed minor bugs
removed not needed link to ad3 in unit-test
fixed minor include bug
removed unneeded files
fixed mqpbo bug