added vin and wmi support to dbus
added vehicle size and fuelinfo property
finished adding aformentioned properties
use icecc compiler if it's available
turn off icecc by default.  add uninstall target
added missing unisntall cmake target
Changes to allow for using SSL certificates for websockets
Change to allow for property reply success=false for obd2plugin, when pids timeout or recieve NODATA responses.