improve message

Currently translated at 100.0% (991 of 991)

Currently translated at 100.0% (991 of 991)

Currently translated at 100.0% (991 of 991)

Currently translated at 99.8% (990 of 991)

This is basically same as with new strings - there is something new to
work on.

Fixes #398

We now correctly store full name in first_name attribute regardless of
what the service actually provides.

Closes #426

Currently translated at 42.4% (421 of 991)

We now rely on first_name to contain complete name.

Closes #401

I don't want to override User model, so let's stick with confusing
naming.

Issue #401

Issue #401

Currently translated at 100.0% (991 of 991)

Closes #414

Fixes #432

Fixes #441