What's new:
- upgrade from java 8 to 11
- update dependencies
- small bug fixes & implementation improvements
- add web ui buttons to add/forget unknown idtags/chargeboxids (issue #77)
- add "admin address" to charge point details ((issue #78)
- allow opt-out for implicit connector status insert after start/stop transaction (issue #79)
- do not insert duplicate transactions (issue #81)
- make cxf clients aware of custom ssl store (issue #85)
- do not set expiry date of id tag, if the "expiration" on settings page is 0
- add chargeBoxId and status filters on connector status page