added MF file
added project function
added first version of gibbs, inefficient, untested
added MF model
added NERExample
added SCAI chemical NER corpora
domain collector: setting correct values;
initial binary serializer;
minor bugfix, simple test added, works
added RichFunctionTerm3, Matrix Factorization model compiles
began benchmarking support with scalameter
fixed variables in CartesianProductTerm3
added RichCartesianProductTerm3
Added travis file
simplified travis file for now
test multiple variable inference, gibbs works, minor bugfix in gibbs
brute force marginal inf and tests, minor refactoring
avoid deep equality when comparing functions
minor changes to infer test
efficient version of gibbs, minor refactoring