[Full register printout] Show weekday in first column of lesson table

aleksis/apps/alsijil/static/css/alsijil/full_register.css

@@ -25,7 +25,7 @@ tr.lessons-day-first {
     border-top: 3px solid rgba(0, 0, 0, 0.3);
 }
 
-th.lessons-day-head, td.rotate, th.rotate {
+td.rotate, th.rotate {
     text-align: center;
     transform: rotate(-90deg);
 }

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

@@ -370,7 +370,7 @@
   {% endfor %}
 
   {% for week in weeks %}
-    <h4>{% trans 'Lesson documentation for week' %} {{ week.week }}</h4>
+    <h4>{% trans 'Week' %} {{ week.week }}: {{ week.0 }}–{{ week.6 }}</h4>
 
     <table class="small-print">
       <thead>
@@ -401,7 +401,7 @@
                     {% endif %}
                   ">
               {% if forloop.first %}
-                <th rowspan="{{ register_objects|length }}" class="lessons-day-head">{{ day }}</th>
+                <th rowspan="{{ register_objects|length }}" class="lessons-day-head">{{ day|date:"D" }}</th>
               {% endif %}
               <td class="lesson-pe">
                 {% if register_object.label_ != "event" %}