fix defaults for running locally and make email server not required.

capsulflask/templates/login-landing.html

@@ -3,7 +3,11 @@
 {% block title %}check your email{% endblock %}
 
 {% block content %}
-  <div class="row full-margin">Check your email. A login link has been sent to {{ email }}</div>
+  {% if has_smtp  %}
+    <div class="row full-margin">Check your email. A login link has been sent to {{ email }}</div>
+  {% else %}
+    <div class="row full-margin">No SMTP server configured. A login link has been printed to stdout.</div>
+  {% endif  %}
 {% endblock %}
 
 {% block pagesource %}/templates/login-landing.html{% endblock %}