Add extra sensors for BMW ConnectedDrive (#12591)

* Added extra sensors for BMW ConnectedDrive

* Updates based on review of @MartinHjelmare

* Updates based on 2nd review of @MartinHjelmare

* Changed control flow for updates to support updates triggered by remote services.

* updated library version number

* Changed order of commands so that the UI looks consistent.

State of lock is now set optimisitcally before getting proper update
from the server. So that the state does not toggle in the UI.

* Added comment on optimistic state

* Updated requirements_all.txt

* Revert access permission changes

* Fix for Travis

* Changes based on review by @MartinHjelmare