Edit collection (#173)

* Collection edit modal

* Add icon

* 💚

* Oh look, some specs

* Delete collection

* Remove from collection

* Handle error responses
Protect against deleting last collection

* Fix key

* 💚

* Keyboard navigate documents list

* Add missing database constraints

frontend/scenes/CollectionNew/CollectionNew.js

@@ -12,7 +12,7 @@ import CollectionsStore from 'stores/CollectionsStore';
 type Props = {
   history: Object,
   collections: CollectionsStore,
-  onCollectionCreated: () => void,
+  onSubmit: () => void,
 };
 
 @observer class CollectionNew extends Component {
@@ -34,7 +34,7 @@ type Props = {
 
     if (success) {
       this.props.collections.add(this.collection);
-      this.props.onCollectionCreated();
+      this.props.onSubmit();
       this.props.history.push(this.collection.url);
     }