make UT pass under JDK6 on OSX

Author: beiwei30

pom.xml

@@ -120,7 +120,7 @@
 		<easymock_version>3.0</easymock_version>
 		<jmockit_version>0.999.8</jmockit_version>
 		<!-- Build args -->
-		<!--<argline>-server -Xms64m -Xmx64m -XX:PermSize=64m -XX:MaxPermSize=64m</argline>-->
+		<argline>-server -Xms64m -Xmx256m -XX:PermSize=64m -XX:MaxPermSize=128m -Dfile.encoding=UTF-8</argline>
 		<skip_maven_deploy>false</skip_maven_deploy>
 		<updateReleaseInfo>true</updateReleaseInfo>
 		<project.build.sourceEncoding>${file_encoding}</project.build.sourceEncoding>