Add load-tags to register-printout-subtemplates

aleksis/apps/alsijil/templates/alsijil/partials/person_overview.html

+{% load static i18n data_helpers %}
+
 <h4>{% blocktrans %}Personal Overview: {{ person.last_name }}, {{ person.first_name }}{% endblocktrans %}</h4>
 
 <h5>{% blocktrans %}Contact Details{% endblocktrans %}</h5>

aleksis/apps/alsijil/templates/alsijil/partials/register_abbreviations.html

+{% load i18n %}
+
 <h4>{% trans "Abbreviations" %}</h4>
 
 <h5>{% trans "General" %}</h5>

aleksis/apps/alsijil/templates/alsijil/partials/register_coursebook.html

+{% load i18n %}
+
 <h4>{% trans 'Coursebook' %}</h4>
 
 <table class="small-print">

aleksis/apps/alsijil/templates/alsijil/partials/register_cover.html

+{% load static i18n %}
+
 <div class="center-align">
   <h1>{% trans 'Class Register' %}</h1>
   <h5>{{ group.school_term }}</h5>

aleksis/apps/alsijil/templates/alsijil/partials/register_members_table.html

 <h4>{% blocktrans with group=group.name $}Persons in Group {{ group }}{% endblocktrans %}</h4>
+{% load i18n data_helpers %}
+
 
 <table id="persons">
   <thead>

aleksis/apps/alsijil/templates/alsijil/partials/register_teachers_and_subjects_table.html

+{% load i18n %}
+
 <table id="lessons">
   <thead>
   <tr>

aleksis/apps/alsijil/templates/alsijil/print/register_for_group.html

 {% extends "core/base_print.html" %}
 
-{% load static i18n data_helpers week_helpers %}
+{% load static i18n %}
 
 {% block page_title %}
   {% trans "Class Register:" %} {{ group.name }}