Set default creation pool to current user

RTPs get to create vms in any pool, and the default in the user creation list is not the current user, but the first pool returned (in practice, alphabetically). Setting 'selected' on the option should remove this small inconvenience.

proxstar/templates/create.html

@@ -72,7 +72,7 @@
                         <label for="user" class="pull-left">User</label>
                         <select name="user" id="user" class="form-control">
                             {% for pool in pools %}
-                            <option value="{{ pool }}">{{ pool }}</option>
+                            <option value="{{ pool }}" {{ "selected" if user.name == pool else "" }}>{{ pool }}</option>
                             {% endfor %}
                         </select>
                     </div>