The list of per-device actions now comes from a factory and can
be different for different OS types.
This is a step towards moving knowledge about devices from the
RemoteLinux plugin into specialized plugins.

Change-Id: Ia46e0199d8d8c1a3891c73a4936ac53fb1063313
Reviewed-on: http://codereview.qt.nokia.com/439


Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>