Updates known to 0.7.1

dockerfiles/services/known/Dockerfile

@@ -3,7 +3,7 @@ FROM pierreozoux/apache
 # Download latest version of Known into /app
 RUN mkdir -p /app && \
   cd /app && \
-  curl -L http://assets.withknown.com/releases/known-0.7.tgz | tar xz
+  curl -L http://assets.withknown.com/releases/known-0.7.1.tgz | tar xz
 
 # Add script to create 'known' DB
 ADD run-known.sh /run-known.sh