Added SCSS preprocessor the yeoman generator
diff --git a/views/ngXosLib/generator-xos/app/templates/gulpfile.js b/views/ngXosLib/generator-xos/app/templates/gulpfile.js
index b2cdab8..8d30660 100644
--- a/views/ngXosLib/generator-xos/app/templates/gulpfile.js
+++ b/views/ngXosLib/generator-xos/app/templates/gulpfile.js
@@ -5,6 +5,8 @@
 
 var options = {
   src: 'src/',
+  css: 'src/css/',
+  sass: 'src/sass/',
   scripts: 'src/js/',
   tmp: 'src/.tmp',
   dist: 'dist/',