Geofon: wrapped in WPS; test during sprint; Needs new parameters. Test that QuakeML is compatible with downstream services

[MichaelLangbein]

• 3 merge requests remaining
  • datetime parsing <- done
  • adding new service
  • fix transformation quakeml from geofon <- done
  • means adding more integration tests
• will be merged after ci has been updated
• currently data filtered by type of magnitude (Mw), requires internal discussion
• included not in deployed frontend (for now) but made available per admin-site

=> Valid quakeml available from 2017 (for now, later likely more)

• MRs will be merged and deployed to staging,
• Rollout to production will be coordinated at a later time.