Apply suggestions from code review

Author: johnzhou721

models/event.ini

@@ -46,5 +46,6 @@ description = Markdown
 type = markdown
 
 [fields.embeddable]
+label = Video is Embeddable
 type = boolean
-default = yes
+default = true

templates/macros/video.html

@@ -14,7 +14,7 @@ <h2><i class="fa fa-video-camera" aria-hidden="true"></i> {{ video.title }}</h2>
 {% endmacro %}
 
 {% macro render_video(video) %}
-  {% if video.embeddable == 'false' %}
+  {% if video.embeddable is false %}
   <p><a href="{{ video.url }}"><i class="fa fa-link" aria-hidden="true"></i>{{ video.title }}</a></p>
   {% else %}
   <iframe class="video" src="{{ video.url }}" frameborder="0" allowfullscreen></iframe>