chg: [rsted] use our github source code, with small fix.

precise/rsted/hooks/install

@@ -15,10 +15,11 @@ set -eux # -x for verbose logging to juju debug-log
 mkdir -p /opt/apps
 (
     cd /opt/apps &&
-    git clone https://github.com/anru/rsted.git &&
+    git clone https://github.com/vaab/rsted &&
     adduser --system --home=/home/"$RSTED_USER" --group "$RSTED_GROUP" &&
     #chown "$RSTED_USER":"$RSTED_GROUP" /opt/apps/rsted -R &&
     ## -H is to force HOME environment variable to change to etherpad one.
+    mkdir /var/run/rsted && chown "$RSTED_USER" /var/run/rsted &&
     cd rsted &&
     pip install -r pip-requirements.txt
 )