Upgrade styled-components

Restore async editor loading

package.json

@@ -163,7 +163,7 @@
     "react-waypoint": "^7.3.1",
     "redis": "^2.6.2",
     "redis-lock": "^0.1.0",
-    "rich-markdown-editor": "^0.1.1",
+    "rich-markdown-editor": "^0.2.1",
     "rimraf": "^2.5.4",
     "safestart": "1.1.0",
     "sequelize": "4.28.6",
@@ -183,7 +183,7 @@
     "string-hash": "^1.1.0",
     "string-replace-to-array": "^1.0.3",
     "style-loader": "^0.18.2",
-    "styled-components": "^2.2.3",
+    "styled-components": "^3.2.3",
     "styled-components-breakpoint": "^1.0.1",
     "styled-components-grid": "^1.0.0-preview.15",
     "styled-normalize": "^2.2.1",