chore(package): update dependencies

https://greenkeeper.io/

package.json

@@ -41,21 +41,21 @@
   },
   "homepage": "https://github.com/hoodiehq/hoodie-account-client#readme",
   "devDependencies": {
-    "browserify": "^11.0.1",
-    "doxx": "1.5.0",
+    "browserify": "^13.1.1",
+    "doxx": "2.1.1",
     "gaze-cli": "^0.2.0",
-    "gh-pages-deploy": "^0.3.0",
+    "gh-pages-deploy": "^0.4.2",
     "greenkeeper-postpublish": "^1.0.0",
-    "istanbul": "^0.3.19",
+    "istanbul": "^0.4.5",
     "istanbul-coveralls": "^1.0.3",
     "lolex": "^1.5.1",
     "mkdirp": "^0.5.1",
-    "nock": "^7.2.2",
-    "npm-run-all": "^1.3.2",
+    "nock": "^9.0.0",
+    "npm-run-all": "^3.1.1",
     "rimraf": "^2.4.3",
     "semantic-release": "^6.0.3",
-    "simple-mock": "^0.5.0",
-    "standard": "^5.2.2",
+    "simple-mock": "^0.7.0",
+    "standard": "^8.5.0",
     "tap-min": "^1.0.0",
     "tap-spec": "^4.1.0",
     "tape": "^4.2.0",