fixed up genres.html, publisers.html to work, tweaked menu structure -- still more placeholders than working for now, but started on an Admin menu to allow dealing with genres, covertypes, conditions, etc.

templates/genres.html

@@ -1,14 +1,14 @@
 {% extends "base.html" %}
 
 {% block main_content %}
-<h3>Publishers</h3>
+<h3>Genres</h3>
 <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></tr>
+		<tr class="thead-light"><th>Name</th></tr>
 	</thead>
 	<tbody>
-	{% for publisher in publishers %}
-		<tr><td><a href="{{url_for('publisher', id=publisher.id )}}">{{publisher.name}}</a></td></tr>
+	{% for genre in genres %}
+		<tr><td><a href="{{url_for('genre', id=genre.id )}}">{{genre.name}}</a></td></tr>
 	{% endfor %}
 	</tbody>
 </table>