- Always use remote mounts for Fremantle.
- Always use SFTP for Harmattan.
- Never use SFTP deployment for non-packaging case (and get rid of
  the corresponding code).
- Fix the order of sub-steps.

Reviewed-by: kh1

The device configuration widget is now the only place the user
ever has to specify ports.

This is necessary in case there is no run configuration (e.g. for
library projects).

... because the files are installed even when packaging is disabled.

Reviewed-by: kh1

Reviewed-by: kh1

Doesn't do anything yet.