Patroni 1.6.0 and new minor release (#353)
Patroni 1.6.0 and new minor release (#353)

* patroni 1.6.0
* pgbouncer package was upgraded and doesn't need one patch anymore
* plprofiler was moved to bigsql
* fix the build and the runtime with DEMO=true
* plpgsql_check 1.7.3
* timescaledb 1.4.1

Close #283, #347, #350
zalando/spilo,zalando/spilo,zalando/spilo