UNITSOFMEASUREMENT-8: Could remove BiFactory from API 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-8
UNITSOFMEASUREMENT-49: Specialize ConversionOperator 
Overriding to() method in Quantity to avoid casts
Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-49
Update JavaDoc
UNITSOFMEASUREMENT-50: Discuss *Supplier functional interfaces 
Factoring out Nameable
Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-50
UNITSOFMEASUREMENT-50: Discuss *Supplier functional interfaces 
Factored out UnitSupplier
Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-50
UNITSOFMEASUREMENT-50: Discuss *Supplier functional interfaces 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-50
UNITSOFMEASUREMENT-50: Discuss *Supplier functional interfaces 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-50
UNITSOFMEASUREMENT-44: Rename UnitConverter.getCompoundConverters() to
getConversionSteps() 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-44
UNITSOFMEASUREMENT-45: UnitConverter.getCompoundConverters() should not
return null 
Updated JavaDoc, impl already matches in all present cases.
Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-45
UNITSOFMEASUREMENT-45: UnitConverter.getCompoundConverters() should not
return null 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-45
UNITSOFMEASUREMENT-45: UnitConverter.getCompoundConverters() should not
return null 
Updated JavaDoc and site
Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-45
UNITSOFMEASUREMENT-43: Should we rename "service" to "spi"? 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-43
UNITSOFMEASUREMENT-43: Should we rename "service" to "spi"? 
Fixed at Hackergarten NO
Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-43
UNITSOFMEASUREMENT-43: Should we rename "service" to "spi"? 

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-43