all plan pages now have date range form

rowers/templates/plannedsessionscoach.html

@@ -11,6 +11,15 @@
 <h1>Coach Overview</h1>
 {% endif %}
 
+<p>
+  <form enctype="multipart/form-data" method="get">
+    <table>
+      {{ dateform.as_table }}
+    </table>
+    <input type="Submit" value="Set Date Range">
+  </form>
+</p>
+
 
 <table width="90%" class="listtable">
   <thead>