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/data/clique2/clique.txt b/pregelix/pregelix-example/data/clique2/clique.txt
new file mode 100755
index 0000000..68fbaea
--- /dev/null
+++ b/pregelix/pregelix-example/data/clique2/clique.txt
@@ -0,0 +1,6 @@
+1 2 3 4
+2 1 3
+3 1 2 4 5
+4 1 3
+5 3 6
+6 5
\ No newline at end of file