Fixed bug with the Kalman Filter new function.
Merge https://github.com/qminer/qminer
Extended Kalman Filter implemented.
Extended Kalman filter (non-linear) implemented and tested.
Clarified extended Kalman filter example.
Further clarified extended Kalman filter example.
Merge pull request #17 from blazf/master

Tokenizer in JavaScript, new test scripts
Merge pull request #18 from klemenkenda/master

Implementation of Extended Kalman Filter.
Merge branch 'master' of github.com:qminer/qminer