UI updates (#151)

* infer card title

* Infer entry body & image

* infer image

* Better terminology: EntryListing accept a single Collection

* remove log

* Refactored Collections VO into selectors

* use selectors when showning card

* fixed size cards

* Added 'bio' and 'biography' to collection description inference synonyms

* Removed unused card file

* throw error instance

* bugfix for file based collections

* lint

* moved components with css to own folder

* Search Bugfix: More than one collection might be returned

* Changed sidebar implementation. Closes #104 & #152

* Show spinning loading for unpublished entries

* Refactored Sidebar into a separate container

* Make preview widgets more robust

package.json

@@ -117,6 +117,7 @@
     "react-redux": "^4.4.0",
     "react-router": "^2.5.1",
     "react-router-redux": "^4.0.5",
+    "react-sidebar": "^2.2.1",
     "react-simple-dnd": "^0.1.2",
     "react-sortable": "^1.2.0",
     "react-toolbox": "^1.2.1",