Show MojeSkuskyPage only if VSES007 can be opened.
Show student menu items only if VSES017 can be opened.
First version of PrehladStudiaPage.
Translate Votr.Loading text.
Implement register predmetov.
Various small design tweaks.
Add a spinner.
Remove testing statement (oops).
Force reload when using the back button.

If the user logs out and then goes back, we want to show the login form, not
the logged-in application. It would try to use the session cookie and fail.
Support subjects with empty semester.

Fixes #33.
Support RestClient and HybridClient in fladgejt login.
Update REST API server list.
Fix REST API URLs with a non-empty path.
Disable RestTerminyMixin for now.
Add new form styles and use them in RegisterPredmetovPage.
Fix exception types in ErrorPage.
Better network errors handling.
Fix DetailPredmetuPage when there are no students or teachers.

Fixes #46. Fixes #47.
Implement OsobyRegister.
Merge branch 'Dusan/register-osob' of https://github.com/fmfi-svt/votr into Dusan/register-osob

Conflicts:
	fladgejt/webui/osoby.py
	votrfront/static/src/RegisterOsob.js
	votrfront/static/src/actions.js
	votrfront/static/src/layout.js