[ux][xs]: user icon next to user name in navbar.
[README][xs]: .
[api][s]: change api urls a bit.
[#50,create][l]: create now working with ok ux.

* Create now works with save to backend + redirect
* Support for customizing the title and name (and auto-setting these from google spreadsheet)
* Reasonable feedback loop and error messages
[ux][s]: improve frontpage copy, tweak brand and fonts.