[#835] First implementation of my details page using react and typeahead

First working implementation of the my details page, to do:
- Clean up code (put javascript in separate JS files)
- Remove jQuery in favor of React
- Show validation on typeahead fields
- Show country, job title and approval status
[#835] Code cleanup and Employment API update
[#835] Resolved conflicts with Dan's template work
Merge pull request #840 from akvo/feature/835_v3_my_details

[#835] My details page updated