UNITSOFMEASUREMENT-73: Refactor Quantity 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-73
UNITSOFMEASUREMENT-65: Move QuantityFactory from "function" to "spi" 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-65
UNITSOFMEASUREMENT-65: Move QuantityFactory from "function" to "spi" 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-65
UNITSOFMEASUREMENT-73: Refactor Quantity 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-73
45: Consider a Measurement type for SE 

Task-Url:
https://github.com/unitsofmeasurement/uom-se/issues/issues/issue/45
45: Consider a Measurement type for SE 
Updated Plugin versions and Unicode for JDK 1.8
Task-Url:
https://github.com/unitsofmeasurement/uom-se/issues/issues/issue/45
45: Consider a Measurement type for SE 
Updated Javadoc
Task-Url:
https://github.com/unitsofmeasurement/uom-se/issues/issues/issue/45