Add yo-yo and eslint-plugin-promise

package.json

@@ -49,7 +49,6 @@
   },
   "homepage": "https://github.com/transloadit/uppy#readme",
   "devDependencies": {
-    "uppy-server": "0.0.1",
     "babel": "5.8.34",
     "babel-eslint": "4.1.5",
     "babelify": "6.4.0",
@@ -59,7 +58,9 @@
     "disc": "1.3.2",
     "eslint": "2.4.0",
     "eslint-config-standard": "5.1.0",
+    "eslint-plugin-promise": "1.1.0",
     "eslint-plugin-standard": "1.3.2",
+    "fakefile": "0.0.5",
     "multi-glob": "1.0.1",
     "node-notifier": "4.4.0",
     "node-sass": "3.4.2",
@@ -68,11 +69,12 @@
     "phantomjs": "1.9.18",
     "selenium-webdriver": "^2.52.0",
     "tape": "4.4.0",
+    "uppy-server": "0.0.1",
     "watchify": "3.6.1",
-    "zuul": "3.7.2",
-    "fakefile": "0.0.5"
+    "zuul": "3.7.2"
   },
   "dependencies": {
-    "tus-js-client": "1.1.3"
+    "tus-js-client": "1.1.3",
+    "yo-yo": "1.1.1"
   }
 }