General Test related fixes

- Enable console output during test run.
  There were sign of test code bugs in those messages.
  Exposing them to console to catch them early.
- Add default LogBack configuration used while unit-test run.
  log level currently set to WARN
- Configured hazelcast to follow the above.

- BugFix: ControllerTest.java
-- Stop starting LinkDiscovery, which was starting a thread
    not necessary for the test case
-- notifyAll must be called in synchronized block

Change-Id: Ica94dfc3a46a871b69800615e75232107b06771e
diff --git a/pom.xml b/pom.xml
index 6a07d5a..29b8520 100644
--- a/pom.xml
+++ b/pom.xml
@@ -130,8 +130,8 @@
         <artifactId>maven-surefire-plugin</artifactId>
         <version>${maven.surefire.plugin.version}</version>
         <configuration>
-          <argLine>-XX:MaxPermSize=256m</argLine>
-          <redirectTestOutputToFile>true</redirectTestOutputToFile>
+          <argLine>-XX:MaxPermSize=256m -Dhazelcast.logging.type=slf4j</argLine>
+          <redirectTestOutputToFile>false</redirectTestOutputToFile>
           <excludedGroups>net.onrc.onos.core.util.IntegrationTest</excludedGroups>
         </configuration>
       </plugin>