Resolve "Substitutions PDF for new data model"

Closes #215 (closed)

aleksis/apps/chronos/templates/chronos/partials/datepicker.html

-{% load static %}
-
-{% if not display_date_only %}
-  <script type="text/javascript" src="{% static "js/helper.js" %}"></script>
-  {{ datepicker|json_script:"datepicker_data" }}
-  <script type="text/javascript" src="{% static "js/chronos/date_select.js" %}"></script>
-{% endif %}
-
-<div class="col s2 no-padding">
-  <a class="waves-effect waves-secondary btn-flat btn-flat-medium left" href="{{ url_prev }}">
-    <i class="material-icons iconify center" data-icon="mdi:chevron-left"></i>
-  </a>
-</div>
-
-{% if display_date_only %}
-  <div class="col s8">
-    <span class="card-title center-block" id="date">
-        {{ day|date:"l" }}, {{ day }}
-    </span>
-  </div>
-{% else %}
-  <div class="col s8 no-padding">
-    <input type="text" class="datepicker center-align" id="date">
-  </div>
-{% endif %}
-<div class="col s2 no-padding">
-  <a class="waves-effect waves-secondary btn-flat btn-flat-medium right" href="{{ url_next }}">
-    <i class="material-icons iconify center" data-icon="mdi:chevron-right"></i>
-  </a>
-</div>