Fix south migration history.

We worked on two different branches in parallel and prepared migrations
for the userprofile model, which resulted in the same number for both
migrations (0036). That, combined with the merge order of the two
branches broke the migration history.
Merge pull request #603 from glogiotatidis/fix-south

Fix south migration history.
[bug 913629] Fix south migration history.
Merge pull request #604 from glogiotatidis/fix-south-2

[bug 913629] Fix south migration history.
[Fix Bug 881852] add multi-account field to user profile
refactor view_profile a little
[fix bug 911980][fix bug 848256][fix bug 848257] API refactoring, tests and bug fixing.

* Refactor API to not use the ElasticSearch backend (bug 911980)
* Explicitly set the fields returned by UserResource
* Fix filters containing spaces (bug 848257)
* Fix filters with commas (bug 848256)
* Fix default data ordering (bug 914384)
[fix bug 862058] Export username in UserResource.
[bug 908702] City and Country API Endpoints.
[bug 908702] Groups, Skills and Languages API Endpoints.
[Fix Bug 907894] Photo nerfed on homepage and profile page on iOS.
Merge pull request #601 from Sancus/multiaccounts

[Fix Bug 881852] add multi-account field to user profile
Merge pull request #599 from glogiotatidis/new-api

API
fix south migration history yet again
Merge pull request #605 from juliaelman/907894-photo-nerfed

[Fix Bug 907894] Photo nerfed on homepage and profile page on iOS.
[Fix Bug 909961] Fix listing pages.
[Bug 881852] Add additional account information/urls and fix minor JS typo
Merge pull request #608 from Sancus/multiaccountsupdates

add account information/urls and fix minor JS typo
[Fix Bug 909965] Fix language select box cut-off on smaller screens.
[bug 908702] Add 'url' attribute to Countries, Cities, Groups and Users endpoints.