Merge pull request #205 from DerThorsten/master

fixed bugs in python wrapper
Merge pull request #206 from DerThorsten/master

implmented addLog and log
do not throw exepction if transoprtationsolver might be not converged
update compilp: better problem handling, add hard timelimit (todo add this as parameter)
visitor injection for daoopt -> might need new download of daoopt code
allow commandline logging for more return-flags
reduce default tolarance for optimality
change precessions within Multicut
add converter to weighted UDAG
add new converter to cmakelist
Merge pull request #54 from opengm/RC-2.3

update from master
Merge branch 'RC-2.3' of https://github.com/joergkappes/opengm into RC-2.3
Merge pull request #211 from joergkappes/RC-2.3

Rc 2.3
change https to http for ad3 - hopefully that solves reported problems
fix dowloadscript for ibfs and change wrapper to new ibfs-interface. Now ibfs supports int-flow only. There is still a segfault wenn using IBFS which we need to fix. segfault appears inside the ibfs method initGraph().
fix patch-script for latest version of GCO
fix patch-script for latest version of GCO
remove empty AD3-folder and allow rerun make externalLibs for AD3
Merge pull request #213 from joergkappes/RC-2.3

Bugfixes External Libs
Merge pull request #22 from opengm/RC-2.3

from RC-2.3 to my master