feat(spaces-list): use react-virtualized for rendering list

Author: adamweeks

package.json

@@ -104,6 +104,7 @@
     "react-redux": "^5.0.1",
     "react-syntax-highlighter": "^6.0.2",
     "react-tap-event-plugin": "^3.0.0",
+    "react-virtualized": "^9.18.5",
     "recompose": "^0.26.0",
     "redux": "^3.6.0",
     "redux-logger": "^3.0.1",