move min Java version back to 1.6

Author: sammefford

pom.xml

@@ -53,8 +53,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>2.3.2</version>
 				<configuration>
-					<source>1.8</source>
-					<target>1.8</target>
+					<source>1.6</source>
+					<target>1.6</target>
 				</configuration>
 			</plugin>
 			<plugin>