Add support for host mode switching

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
Add support for detecting dedicated charger.

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
Bump version to 1.4.17 so other nemo changes can depend on this version

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>