fixed typo
added new streaming data generator class for creating Gaussian blobs as in NIPS paper for optimal kernel choice for linear time MMD
added example for new gaussian blobs data generator
made CMeanShiftDataGenerator not be a template anymore since useless and annoying
Merge pull request #874 from karlnapf/master

New class for data generation
added forgotten template arugment in base class
Merge pull request #875 from karlnapf/master

quickfix
fix %template warning and potential compile error