Minor cleanup in some of the shell scripts in the "tools" directory.
No functional changes.

 * Description header formatting
 * Added missing new line at the end of a file
 * Removed extra new lines at the end of a file
diff --git a/tools/build/onos-package b/tools/build/onos-package
index a55a613..5ae80a2 100755
--- a/tools/build/onos-package
+++ b/tools/build/onos-package
@@ -1,7 +1,7 @@
 #!/bin/bash
-#-------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 # Packages ONOS distributable into onos.tar.gz
-#-------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 
 [ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
 . $ONOS_ROOT/tools/build/envDefaults