UserAdmin: you can't remove yourself
UserAdmin: resend an invitation
resend-invitation issue fixed
Job runner: issue with lock file fixed
updated messages
tabbed entire visualize UI
refined tab design
Merge branch 'feature/visualize-redesign-1' of github.com:datawrapper/datawrapper into feature/visualize-redesign-1

Conflicts:
	templates/chart-visualize.twig
	www/static/css/datawrapper.css