Search via hastags

Disabled ElasticSearch in fig.yml
Disabled (commented out) all ElasticSearch related code
Added tags (array of strings) to question model
Expose distinct tags in every response (middleware/tags)
Changes in GET /questions route to support search via tags
Changes in POST /questions and POST /questions/:id
Change in search-form component (use tags)
Remove search form from stories list (temporary)
Tags frontend script (uses select2)
Some select2 related styling
Improved assign question flow

Search for questions with tags.

GET /story/:id?action=assign gives filtered list of questions suggested for assignment.

Search form can have additional hidden params.

Reusable question item component for questions list, assigned questions list and questions suggested for assignment list.
Questions and Stories in reverse time order
DELETE /story/:id/answers/:id
FIX: Crash on new draft of unpublished answer

Error handling was broken.

Also there was invalid data passed - missing author and question fields.

Author data is now passed from the user form.

Question is imposed from URL.
0.1.0