SelectionWidget and (Plone-) ReferenceWidget formattin

format=select
checkbox_bound=0
fixed #667: Creating an AR from a Template that contains a Profile, writes gibberish in the Profile field
Fix issue #668: Cannot edit Sampling deviations (metadata version bump: 1116)
Merge branch '3.01a' of github.com:bikalabs/Bika-LIMS into 3.01a