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/utils/junit/pom.xml b/utils/junit/pom.xml
index d994a07..6ddadac 100644
--- a/utils/junit/pom.xml
+++ b/utils/junit/pom.xml
@@ -27,6 +27,16 @@
             <artifactId>guava-testlib</artifactId>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-core</artifactId>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
 </project>