Renamed onos core package

net.onrc.onos.ofcontroller.core.* => net.onrc.onos.core.main.*

Change-Id: I780858cfc599ec56a5b60b31c774beba6b280d02
diff --git a/pom.xml b/pom.xml
index 41efcb5..c20dc0c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -116,7 +116,7 @@
         <artifactId>exec-maven-plugin</artifactId>
         <version>1.2.1</version>
         <configuration>
-          <mainClass>net.onrc.onos.ofcontroller.core.Main</mainClass>
+          <mainClass>net.onrc.onos.core.main.Main</mainClass>
         </configuration>
         <executions>
         </executions>