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-gui b/tools/test/bin/onos-gui
index 6729c4b..a0c843d 100755
--- a/tools/test/bin/onos-gui
+++ b/tools/test/bin/onos-gui
@@ -1,7 +1,7 @@
 #!/bin/bash
-#-------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 # Launches ONOS GUI on the specified node.
-#-------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 
 [ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
 . $ONOS_ROOT/tools/build/envDefaults
@@ -9,4 +9,4 @@
 host=${1:-$OCI}
 host=${host:-localhost}
 
-open http://$host:8181/onos/tvue
\ No newline at end of file
+open http://$host:8181/onos/tvue