Merge pull request #78 from opengm/master

Python update
Merge pull request #79 from opengm/master

merge fusion moves
change to our own patche AD3 clone
use correct bounds for AD3 - this might need to delete AD3 source and cal make externalLibs again
fix another bug of daoopt and add more visitor calls
fix numerical bug in inf and flip (accumulated floatingpoint-errors
change from gnu_cxx to std::tr1 for hashmaps and hashsets if boost is not used
Merge pull request #321 from joergkappes/master

several small bugfixes