Conflicts:
	slapos/grid/slapgrid.py

The category is destination_section.

Software instance status does not depend anymore on Sale Packing List state.

Software release installation status does not depend anymore on Purchase
Packing List state.

It didn't worked anyway, so we don't care backward compatiblity here.

Sale Order's have to be ordered, as they are created as planned.

The next step is slap call for requesting software installation,
so there is no need to mimic it internally.