Drop python2. PIL everywhere. Bootstrap serve local (#1)

* all local

* local ref

* typo

* proper local

* remove static

templates/screen.html

@@ -32,13 +32,16 @@ along with Screenshare. If not, see <https://www.gnu.org/licenses/>.
 <link rel="stylesheet" href="{{url_for('static', filename='css/jquery-confirm.min.css')}}"/>
 
 <link rel="stylesheet" href="{{url_for('static', filename='css/common.css')}}?ver=2"/>
+
 {% endblock %}
 
 {% block scripts %}
 {{super()}}
+
 <script src="{{url_for('static', filename='js/jquery-confirm.min.js')}}"></script>
 
 <script src="{{url_for('static', filename='js/screen.js')}}?ver=3"></script>
+
 {% endblock %}
 
 {% block body_attribs %}