[Feature] Scenario Creation (#78)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#78

templates/actions/collections/scenario.html

@@ -1,6 +1,6 @@
 {% if meta.can_edit %}
     <li>
-        <a role="button" data-toggle="modal" data-target="#new_pathway_modal">
+        <a role="button" data-toggle="modal" data-target="#new_scenario_modal">
             <span class="glyphicon glyphicon-plus"></span> New Scenario</a>
     </li>
 {% endif %}