cross merge fullstack_release_candidate into trunk

git-svn-id: https://hyracks.googlecode.com/svn/trunk@3208 123451ca-8445-de46-9d55-352943316053
diff --git a/fullstack/pregelix/pregelix-example/data/clique/clique.txt b/fullstack/pregelix/pregelix-example/data/clique/clique.txt
new file mode 100755
index 0000000..08280e3
--- /dev/null
+++ b/fullstack/pregelix/pregelix-example/data/clique/clique.txt
@@ -0,0 +1,7 @@
+1 2 3 4
+2 1 3 4 5
+3 1 2 4 5
+4 1 2 3
+5 6 7
+6 5 7
+7 5 6