Remove duplicate form values from request

I'm not sure why some of the javascripts duplicate the request values,
but this takes care of that.
Fix 36b5d5f - the restriction is on "Sample", not strings containing Sample (eg, SampleType)
Update analysis/'Review portal content' permission to reflect all roles who have 'view results'.
Fix calculation-bearing form submit (submit happens from within
calculation code, when calc-field is focused).
Update analysis workflow to allow cancelling retracted analyses
Allow table footer to be hidden by bika_listing views
Fix manage_analyses view and robot
Merge branch '3.01a' of github.com:bikalabs/Bika-LIMS into 3.01a