updated matlab interface to support new visitor (some algorithms are
deactivated until they support the new visitor)
updated greedygremlin to support new visitors
updated infandflip to support new visitors
updated partition-move to support new visitors
updated ad3 to support new visitors
updated interfaces to support measuring of inference construction time
updated daoopt to support new visitors
updated fastPD to support new visitors
updated gco to support new visitors
updated grante to support new visitors
updated mplp to support new visitors
updated mrflib to support new visitors
updated qpbo to support new visitors
updated trws to support new visitors
reactivated inference algorithms which now support new visitor
Merge pull request #191 from stopfer/RC-2.3

more refactoring for new visitor