moved display message to base.html, should have done this from the beginning (doh), and then fixed deletion errors/redirections to be moe sensible

templates/loans.html

@@ -2,12 +2,6 @@
 
 {% block main_content %}
 <h3>Loans</h3>
-{% if message|length %}
-    <div class="row alert alert-{{alert}}">
-    {{message}}
-    {{ ClearStatus() }}
-    </div>
-{% endif %}
 <table id="book_table" class="table table-striped table-sm" data-toolbar="#toolbar" data-search="true">
 	<thead>
 		<tr class="thead-light"><th>Surname</th><th>Firstname(s)</th><th>Date Lent</th><th>Contact Details</th></tr>