Merged hyracks_asterix_stabilization_yfix r2529, r2551, r2564, r2575, r2576, r2577, r2584, and r2597

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_staging_bigmerge_target@2748 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/stopCluster.sh b/hyracks/hyracks-dist/src/main/resources/bin/stopCluster.sh
new file mode 100755
index 0000000..4889934
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/bin/stopCluster.sh
@@ -0,0 +1,3 @@
+bin/stopAllNCs.sh
+sleep 2
+bin/stopcc.sh