Topo2: Added Friendly host names
JIRA: ONOS-6657

Also added css into the browsersync tasks within gulp

Change-Id: Ibcf342c89b8e1eae131f5cb3694e3632bc134534
diff --git a/tools/gui/gulpfile.babel.js b/tools/gui/gulpfile.babel.js
index 24327e0..51aead1 100644
--- a/tools/gui/gulpfile.babel.js
+++ b/tools/gui/gulpfile.babel.js
@@ -3,4 +3,4 @@
 
 gulp.task('build', ['bower', 'bundle-css', 'bundle-js']);
 gulp.task('tests', ['bower', 'test']);
-gulp.task('default', ['bundle-js', 'serve', 'watch-js']);
\ No newline at end of file
+gulp.task('default', ['bundle-js', 'bundle-css', 'serve', 'watch-js', 'watch-css']);
\ No newline at end of file