RemoteLinux: Use toMap() and fromMap() to serialize device info.
One more step towards extracting an abstract base device class. Note that the device settings now go into a dedicated file, like the Qt version and toolchain information, and no longer into the QtCreator.ini file. Reading the "old style" settings is still supported. Change-Id: Ic4766420930c1ab650d72068d3f6d188aa9c203b Reviewed-by: Kai Koehne <email@example.com>