Sort organisation names alphabetically under the filter option

[kinow]

The combo box currently supports a filter-as-you-type option that is great! But I was looking for one that I knew that started with "n", tried to scroll down and then realised the list was not sorted. This could even be done in the DB or in Node.JS I believe (maybe here? https://github.com/dlapiduz/govcode.org/blob/8e381f0e9c9aa4c7122b6fc383e3995b9ad9c64b/front/app/scripts/controllers/stats.js#L129)