When user selects "Other Education" and clicks save - error occurs.
It's caused by the wrong API call payload value `'o'`
Fix: use the `'other'` payload value instead (the valid one).
* Moving files to their new homes.
Subsequent commit will wire everything up again.
* Relink files and split stylesheet.
Requires adding resolve-url-loader to fix sass import relativity.
* Remove browserslist warning.
* Remove the need for ProfileMain
* Fix test issues - needed thunk.