Sequential multiplier work in progress for labtest. I haven't actually tested any of this yet
Minor changes to product shift register in sequential multiplier...still haven't testing this yet.
Merge branch 'master' of https://github.com/molohov/gpu2

Conflicts:
	labs/labtest/ana/Multiplier_labtest.v
	labs/labtest/ana/multiplier_submodules.v
Merge branch 'master' of https://github.com/molohov/gpu2
Merge branch 'master' of https://github.com/molohov/gpu2