!defcall: auto-request scans for defcalls.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!defcall: Forgot to import robocop.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!defcall: Stopped loading planets for construction/research messages, which was unnecessary and causing error messages.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!defcall: Associate scan requests with the target user.
Signed-off-by: Martin Stone <martin@d7415.co.uk>
Merge branch 'autoreq_scans'