add tutorial for or-and-semiring
add access to normalization for acyclic models
add example for sum-prod-inference (still in progress)
Merge pull request #288 from joergkappes/master

BP on sum-prod semiring
Minor build system improvements.

Add BUILD_TUTORIALS option to select if src/tutorials will be built.

Fix detection of HDF5 libraries on windows.
Merge pull request #289 from burcin/cmake_tutorials

Minor build system improvements.
bugfix for MSVS11
Merge pull request #291 from joergkappes/master

bugfix for MSVS11
Merge pull request #72 from opengm/master

bugfixes for windows
bugfix problems when dual problem is unbounded during optimization
Merge branch 'master' of https://github.com/joergkappes/opengm
Merge pull request #292 from joergkappes/master

bugfix multicut
add dummy function for Bogdan
Merge pull request #293 from joergkappes/master

add dummy function for Bogdan
Merge pull request #13 from opengm/master

getting current opengm version