* Changed name from Normalize to Normalize2

* Changed name from Normalize to Normalize2 in tests

* Changed name of normalize source files

* Removed across spatial and channel shared params

* Removed scale and introduced input axes

* Support for axes input was introduced

* Added possibility to choose method of bias using

* Clang style applied

* Code review remarks introduced

* Code review remarks introduced

* Added python script to generate normalize_l2 test data