Improve build scripts of Web frontend

UI/WebServerResources/package.json

@@ -1,10 +1,11 @@
 {
-  "name": "foundation-libsass-template",
-  "version": "0.0.1",
-  "devDependencies": {
-    "node-sass": "~0.7.0",
-    "grunt": "~0.4.1",
-    "grunt-contrib-watch": "~0.5.3",
-    "grunt-sass": "~0.8.0"
-  }
+    "name": "sogo-web",
+    "version": "0.0.1",
+    "devDependencies": {
+        "bower": ">=1.3.8",
+        "node-sass": ">=0.7.0",
+        "grunt": ">=0.4.1",
+        "grunt-contrib-watch": ">=0.5.3",
+        "grunt-sass": ">=0.8.0"
+    }
 }