Universal-ink-library

==========================
- Adding parser for InkML files

==========================
- Extend export to choose the units for the CSV file
- Adding a new export function for CSV

==========================
- Minor improvements in the UIM model avoiding None exception, when iterating empty model
- Rename constant

==========================
- Setting default transformation matrix to identity matrix if not provided in the UIM model
- Refactor the schema constants for different schemas

==========================
- Refactor schema handling in uim.model.semantics.schema package
- Support __eq__ for all classes in uim.model package, to enable comparison of UIM models
- Fixing several bugs in parsing of UIM files
- Improve API documentation
- Adding serialization to JSON file for human readable UIM model representation
- Adding helper function to create csv file from sensor data

==========================
- Fix: Azimuth and Altitude values are now correctly set in the UIM model
- Rename syntax package to schema and using new naming convention for the schema
- Add a analysis package to provide a set of functions to analyze the UIM model