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/test/bin/onos-watch b/tools/test/bin/onos-watch
index a9eb0e3..28e88c2 100755
--- a/tools/test/bin/onos-watch
+++ b/tools/test/bin/onos-watch
@@ -1,7 +1,7 @@
#!/bin/bash
-#-------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
# Monitors selected set of ONOS commands using the system watch command.
-#-------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
[ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
. $ONOS_ROOT/tools/build/envDefaults