5: Improve demos 
Updated JavaDoc
Task-Url: https://github.com/unitsofmeasurement/uom-demos/issues/issue/5
UNITSOFMEASUREMENT-62: Could we specialize Generics for operations
involving them? 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-62
Removing unused import and annotation (clear Eclipse warnings)
UNITSOFMEASUREMENT-62: Could we specialize Generics for operations
involving them? 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-62
Merge branch 'master' of
https://github.com/unitsofmeasurement/unit-api.git