Bump packages

Author: cookpete

package.json

@@ -62,7 +62,7 @@
     "extract-text-webpack-plugin": "^1.0.1",
     "imports-loader": "^0.6.4",
     "json-loader": "^0.5.4",
-    "karma": "^0.13.16",
+    "karma": "^1.1.2",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^1.0.1",
     "karma-cli": "^1.0.0",
@@ -77,7 +77,7 @@
     "react": "^15.0.1",
     "react-dom": "^15.0.1",
     "rimraf": "^2.4.4",
-    "sass-loader": "^3.1.2",
+    "sass-loader": "^4.0.0",
     "snazzy": "^4.0.0",
     "standard": "^7.1.0",
     "style-loader": "^0.13.0",