split AbstractMeansure
5: Improve demos 

Task-Url:
https://github.com/unitsofmeasurement/unit-demos/issues/issue/5
Merge pull request #20 from otaviojava/split_measurement

split AbstractMeansure
14: Verify that implementation works across all SE 8 Profiles 

Task-Url:
https://github.com/unitsofmeasurement/unit-impl-se/issues/issues/issue/14
14: Verify that implementation works across all SE 8 Profiles 

Task-Url:
https://github.com/unitsofmeasurement/unit-impl-se/issues/issues/issue/14