.env recovered from previous master cf1cf2c

.env

+# url of storage database
+database_url=jdbc:postgresql://db:5432/urbanite
+
+# storage database login
+database_username=urbanite
+database_password=password
+
+# traffic simulation url and port
+ts_url="http://ts"
+ts_port=8082
+
+# dss url and port
+dss_url="http://dss"
+dss_port=5003
+
+# storage url, port and data directory
+storage_url="http://storage"
+storage_port=5001
+
+# reference to folder on host that is shared among containers
+host_data_dir="../storage_data"
+
+# target data dir, pointing to data dir in container
+data_dir=/home/simserver/data
+
+# city deployed in
+urbanite_city=messina