Some changes to make the testing script run on mac, too, + a multithreaded server for riot

synapse/start.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
-BASE_DIR=$(readlink -f $(dirname $0))
+set -e
+
+BASE_DIR=$(cd $(dirname $0) && pwd)
 cd $BASE_DIR
 cd installations/consent
 source env/bin/activate
@@ -9,4 +11,4 @@ EXIT_CODE=$?
 if [ $EXIT_CODE -ne 0 ]; then
 	cat $LOGFILE
 fi
-exit $EXIT_CODE
+exit $EXIT_CODE