Merge pull request #31 from otaviojava/master

add stream utils, summary and test
32: Refactor some inconsistent naming 

Task-Url:
https://github.com/unitsofmeasurement/unit-impl-se/issues/issues/issue/32
32: Refactor some inconsistent naming 
Fixed factory method naming
Task-Url:
https://github.com/unitsofmeasurement/unit-impl-se/issues/issues/issue/32
32: Refactor some inconsistent naming 

Task-Url:
https://github.com/unitsofmeasurement/unit-impl-se/issues/issues/issue/32