Add other licenses to LICENSE, fix source assembly

Change-Id: I43b6844aabf917ebec48a03cf5616735809077cf
Reviewed-on: https://asterix-gerrit.ics.uci.edu/383
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..6285a2e
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,5 @@
+Apache AsterixDB
+Copyright 2015 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).