Update dependencies

Author: Simen Brekken

package.json

@@ -30,35 +30,34 @@
   },
   "homepage": "https://github.com/unfold/react-firebase",
   "devDependencies": {
-    "babel-cli": "6.6.5",
-    "babel-eslint": "5.0.0",
-    "babel-loader": "6.2.4",
-    "eslint": "2.4.0",
-    "eslint-config-airbnb": "6.1.0",
-    "eslint-plugin-react": "4.2.3",
-    "express": "4.13.4",
-    "express-urlrewrite": "1.2.0",
-    "isparta": "4.0.0",
-    "jsdom": "8.1.0",
-    "jsdom-global": "1.7.0",
-    "react-addons-test-utils": "0.14.7",
-    "react-dom": "0.14.7",
-    "tape": "4.5.1",
-    "webpack": "1.12.14",
-    "webpack-dev-middleware": "1.5.1"
+    "babel-core": "^6.7.4",
+    "babel-preset-es2015": "^6.6.0",
+    "babel-preset-react": "^6.5.0",
+    "babel-preset-stage-0": "^6.5.0",
+    "babel-cli": "^6.6.5",
+    "babel-eslint": "^6.0.2",
+    "babel-loader": "^6.2.4",
+    "eslint": "^2.6.0",
+    "eslint-config-airbnb": "^6.2.0",
+    "eslint-plugin-react": "^4.2.3",
+    "express": "^4.13.4",
+    "firebase": "^2.4.2",
+    "isparta": "^4.0.0",
+    "jsdom": "^8.3.0",
+    "jsdom-global": "^1.7.0",
+    "react": "^0.14.0",
+    "react-addons-test-utils": "^0.14.8",
+    "react-dom": "^0.14.8",
+    "tape": "^4.5.1",
+    "webpack": "^1.12.14",
+    "webpack-dev-middleware": "^1.6.1"
   },
   "dependencies": {
-    "babel-core": "6.7.2",
-    "babel-preset-es2015": "6.6.0",
-    "babel-preset-react": "6.5.0",
-    "babel-preset-stage-0": "6.5.0",
-    "estraverse-fb": "1.3.1",
-    "firebase": "2.4.1",
     "invariant": "^2.0.0",
-    "lodash": "^4.2.0",
-    "react": "0.14.7"
+    "lodash": "^4.2.0"
   },
   "peerDependencies": {
+    "firebase": "^2.4.2",
     "react": "^0.14.0 || ^15.0.0-rc.1"
   }
 }