ONOS-7200: Fixed GUI build times

Improved the selectiveness of the source file within the rule
Stopped the bash script from reinstalling NPM depenancies - This was likely left in by mistake when
there were NPM issues when this build step was first introduced

Change-Id: I5364fc8818e37659cdcf11bd19750f0ba1b85a10
diff --git a/web/gui/BUCK b/web/gui/BUCK
index b295c7f..0886623 100644
--- a/web/gui/BUCK
+++ b/web/gui/BUCK
@@ -49,7 +49,7 @@
 
 genrule(
     name = 'onos-tools-gui',
-    srcs = glob(['src/main/webapp/**/*.js'], excludes = ['src/main/webapp/dist/*.js']),
+    srcs = glob(['src/main/webapp/*.js', 'src/main/webapp/app/**/*.js'], excludes = ['src/main/webapp/dist/*.js']),
     bash = '$(location :onos-tools-gui-exe) '
         + '$(location //web/gui:node-release-v8.1.2) '
         + '$(location //web/gui:node-bin-v8.1.2) > $OUT',