Merge branch 'master' of https://github.com/transloadit/uppy

package.json

@@ -79,6 +79,7 @@
     "eslint-config-standard": "5.1.0",
     "eslint-plugin-promise": "1.1.0",
     "eslint-plugin-standard": "1.3.2",
+    "exorcist": "0.4.0",
     "fakefile": "0.0.5",
     "glob": "7.0.3",
     "isomorphic-fetch": "2.2.1",
@@ -93,6 +94,7 @@
     "npm-run-all": "2.1.1",
     "parallelshell": "2.0.0",
     "postcss": "5.0.21",
+    "sass": "0.5.0",
     "selenium-webdriver": "2.52.0",
     "tap-spec": "4.1.1",
     "tape": "4.4.0",