For 0.12

- Rewrite websocket test html


For 0.11

- Implement all the DBus properties in the docs/ directory.
- update json protocol to include getPropertyInfo calls
- update json protocol to support rangerequests with PropertyList instead of a signel property (Verify)
- update json protocol to support zones
- update database to support zone column 
- general support for source and zone filtering in database plugin
- no reason for pluginloader to track sources.  core already does it.
- create docs for all plugins (README)
- handle badly formed messages properly (ie not crash) in websocketsink
- GetHistory must filter on source

Completed:

- DBus support for time and sequece being an additional api call (ie, getVehicleSpeed()). - DONE
- DBus support for objects with multiple sources and multiple 'zones' (/${sourceID}/[${zone}/]batteryVoltage) - DONE
- Document changes to the DBus API in the IDL - DONE
- add API to get number of sources per a given property (ie uint AbstractRoutingEngine::getSourcesForProperty(VehicleProperty::Property)) - DONE
- per-source property filtering in routing engine - DONE


Other:
- grep all the TODOs in the code and do them
- improve obd2source speed via Physical Addressing (see https://www.scantool.net/forum/index.php?topic=6661.msg25024#msg25024)
- investigate and enable use of provisioning in ssl websockets
- enable ambd/plugins.d/
- finish implementing openxc plugin (needs testing)
- Document internal source/sink plugin API