Refactoring in the unit test utility framework:
 * Moved unit test utilities to the onlab-junit package under utils/junit
   - ImmutableClassChecker
   - TestUtils and TestUtilsTest

 * Added/ported unit test utilities from the older code
   - UtilityClassChecker and UtilityClassCheckerTest
   - ImmutableClassCheckerTest

 * Updated/fixed some of the pom.xml files in the context of the
   onlab-junit package:
   - Added <scope>test</scope>
   - Replaced hard-coded "1.0.0-SNAPSHOT" with "${project.version}"

Change-Id: Ie5f51ba401ca1748340f38848ab6bfc251964adc
diff --git a/pom.xml b/pom.xml
index ce02451..095e40e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -248,7 +248,7 @@
             <dependency>
                 <groupId>org.onlab.onos</groupId>
                 <artifactId>onlab-junit</artifactId>
-                <version>1.0.0-SNAPSHOT</version>
+                <version>${project.version}</version>
                 <scope>test</scope>
             </dependency>