- Update to version monasca-persister-1.12.1.dev4
* Java persister config: defaults and robustness
* Add Cassandra db support
- Remove java-persister-defaults.patch (merged upstream)
- Remove cassandra.patch (merged upstream)
- Add missing URLs for patches

Note: this requires

https://build.opensuse.org/request/show/658946 and
https://build.opensuse.org/request/show/658944 to build.