Simplify watch mechanism in Gruntfile

Change-Id: I300b680296b82f796d75ab3ec7d9826699d09229
diff --git a/Gruntfile.js b/Gruntfile.js
index 3b31663..3a042b0 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -140,18 +140,7 @@
     },
     watch: {
       css: {
-	      files: ['dev/scss/{util,base,fonts,kalamar,media,no-js}.scss',
-		            'dev/scss/base/flextable.scss',
-		            'dev/scss/base/fragment.scss',
-		            'dev/scss/base/load.scss',
- 		            'dev/scss/base/form.scss',
-		            'dev/scss/footer/footer.scss',
-		            'dev/scss/sidebar/sidebar.scss',
-		            'dev/scss/header/{header,hint,menu,searchbar,vc,statistics,datepicker}.scss',
-		            'dev/scss/main/{alertify,intro,koralquery,highlight,kwic,logos,tagger,' +
-		            'main,matchinfo,panel,tree,pagination,query,'+
-		            'resultinfo,sidebar,tutorial,plugin,buttongroup,introjs-ids,introjs,oauth}.scss'
-	             ],
+	      files: ['dev/scss/**/*.scss'],
 	      tasks: ['sass'],
 	      options: {
 	        spawn: false