Resolve "Wizard should have consistent page and browser title"

Closes #10 (closed)

aleksis/apps/paweljong/templates/paweljong/event/register_wizard.html

 {% extends "core/base.html" %}
 {% load material_form i18n %}
 
-{% block browser_title %}{{ browser_title }}{% endblock %}
-{% block page_title %}{{ page_title }}{% endblock %}
+{% block browser_title %}{% trans "Registration" %}: {{ event.display_name }}{% endblock %}
+{% block page_title %}{% trans "Registration" %}: {{ event.display_name }}{% endblock %}
 
 {% block content %}
  <div class="row">