Merge pull request #24 from opengm/RC-2.3

from rc2.3
Merge pull request #25 from opengm/RC-2.3

from rc2.3
add filling option for labeling generation and set default to false. this give significant speedup
set ILP-threads to 1
set ILP-threads to 1
factor order is calculated online and not on demand. costs for calculating the model order drop from O(|F|) to O(1)
Merge pull request #255 from joergkappes/master

speedups
Update lp_reparametrization.hxx

wrong datatype IndexType in accumulate changed to LabelType
bugfix io with empty vectors
Merge pull request #256 from joergkappes/master

bugfix io with empty vectors
Merge pull request #26 from opengm/master

from opengm master to my fork
added code to get fractional ad3 solutions
changed example a bit
changed example a bit
Merge pull request #257 from DerThorsten/master

added code to get fractional ad3 solutions
Merge pull request #258 from yanlend/RC-2.3

Update lp_reparametrization.hxx
increase softinfinity value, was to small before
formating
enable MQPBO again
enable several inference methods for Matlab