fix maximal cliques and add two more tests

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_dynamic_deployment@3279 123451ca-8445-de46-9d55-352943316053
diff --git a/pregelix/pregelix-example/src/test/resources/expected/MaximalClique2.result b/pregelix/pregelix-example/src/test/resources/expected/MaximalClique2.result
new file mode 100644
index 0000000..afbffcd
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/MaximalClique2.result
@@ -0,0 +1,6 @@
+1 1,2,3;1,3,4;
+2 2,3;
+3 
+4 
+5 
+6