removing override annotations
Merge pull request #25 from otaviojava/fix_overide

removing override annotations
UNITSOFMEASUREMENT-53: Measurement extends Comparable 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-53
Merge branch 'master' of
https://github.com/unitsofmeasurement/unit-ri.git
UNITSOFMEASUREMENT-53: Measurement extends Comparable 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-53
UNITSOFMEASUREMENT-53: Measurement extends Comparable 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-53
UNITSOFMEASUREMENT-53: Measurement extends Comparable 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-53
UNITSOFMEASUREMENT-13: Do we need AbstractMeasurement in RI? 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-13