Update to v0.99.5.1

Dockerfile

@@ -7,6 +7,7 @@ RUN mkdir -p /app/code/nginx
 WORKDIR /app/code
 
 EXPOSE 8000
+EXPOSE 3478/udp
 
 # nginx
 RUN rm /etc/nginx/sites-enabled/*
@@ -31,7 +32,7 @@ RUN apt-get install -y build-essential python2.7-dev libffi-dev libldap2-dev lib
 RUN pip install --upgrade pip
 RUN pip install --upgrade setuptools
 RUN pip install psycopg2-binary py-bcrypt python-ldap matrix-synapse-ldap3 lxml netaddr twisted jinja2
-RUN pip install https://github.com/matrix-org/synapse/archive/v0.99.4.tar.gz
+RUN pip install https://github.com/matrix-org/synapse/archive/v0.99.5.1.tar.gz
 #https://github.com/matrix-org/synapse/tarball/master
 
 # copy index.html