Style on the table
extracting code to a model method
adding language view
Merge pull request #23 from SimonGreenhill/model-method

extracting code to a model method
Merge pull request #25 from SimonGreenhill/language-view

Adding language view
Merge pull request #28 from NESCent/ui_tweaks

Tweak style on results table
Rework search page

Added chevrons to show/hide children.  Checkboxes explicitly mean the
item is selected.
Lots of controller logic to handle checkbox changes.

Fixes #14
Merge pull request #29 from NESCent/ui_tweaks

Rework search page
Test case for #11
Add code_number field and method to read it

Fixes #11
Migration for adding code_number, and populating it on migrate
Merge pull request #30 from NESCent/fix_code_sort

Correct sorting of variable codes when numeric
Test case for #32
Allow find_societies to return empty set

Fixes #32
Merge pull request #33 from NESCent/fix_find_societies_500

Fix HTTP 500 when calling find_societies REST API
Merge branch 'master' into map_results

Conflicts:
	dplace_app/static/partials/search.html
Change glyphicon chevrons to unicode triangles

Tried <details> tag but level 1 closes when trying to expand level 2

See #34
Merge pull request #35 from NESCent/change_chevrons

Change glyphicon chevrons to unicode triangles
Merge branch 'master' into map_results