Move require-css to npm.

bower.json

@@ -25,7 +25,6 @@
     "bootstrap": "^3.3.4",
     "codemirror": "^5.25.2",
     "showdown": "^0.5.0",
-    "require-css": "^0.1.2",
     "typeahead.js": "^0.10.5"
   }
-}
+}

package.json

@@ -27,7 +27,8 @@
     "test": "grunt test"
   },
   "dependencies": {
-    "es6-promise": "^4.2.4"
+    "es6-promise": "^4.2.4",
+    "require-css": "^0.1.10"
   },
   "devDependencies": {
     "@ambers/sdk": "^0.10.7",