Sort rpm/deb files alphabetically

This is rather trivial, but it makes comparing the files much easier

Change-Id: I01e42defbf778626afd8dd457f93f0b02dd1a19d
diff --git a/files/rpms/zookeeper b/files/rpms/zookeeper
index c0d1c30..1bfac53 100644
--- a/files/rpms/zookeeper
+++ b/files/rpms/zookeeper
@@ -1 +1 @@
-zookeeper
\ No newline at end of file
+zookeeper