added an example for multiclass serialization that doesnt work (but runs fine) Once muticlass label serialization work this should be turned into a test
added a test for multiclass serialization
removed wrongly named file
added a provisory test for multiclass label serialization which has to be activated once this works
added an example for adding new parameters to classes. However this one does not work, must be activated once it works
Merge pull request #934 from karlnapf/master

added a collection of tests/examüples for things that currently do not work
fix ocr & svr demo
Add check for HAVE_EIGEN3 in ExactInferenceMethod_unittest