Added SCSS preprocessor the yeoman generator
diff --git a/views/ngXosLib/generator-xos/app/templates/package.json b/views/ngXosLib/generator-xos/app/templates/package.json
index 7a842fe..7c0a016 100644
--- a/views/ngXosLib/generator-xos/app/templates/package.json
+++ b/views/ngXosLib/generator-xos/app/templates/package.json
@@ -30,6 +30,7 @@
     "gulp-minify-html": "^1.0.4",
     "gulp-rename": "^1.2.2",
     "gulp-replace": "^0.5.4",
+    "gulp-sass": "^2.2.0",
     "gulp-uglify": "^1.4.2",
     "http-proxy": "^1.12.0",
     "proxy-middleware": "^0.15.0",