UNITSOFMEASUREMENT-128: Add ServiceProvider interface

Task-Url: https://java.net/jira/browse/UNITSOFMEASUREMENT-128

Author: keilw

pom.xml

@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>javax.measure</groupId>
 	<artifactId>unit-api</artifactId>
-	<version>0.8-SNAPSHOT</version>
+	<version>0.8-RC2</version>
 	<name>Units of Measurement API</name>
 	<packaging>bundle</packaging>
 	<url>http://unitsofmeasurement.github.io/</url>