adding rotational credit crop fields
New date range fields

Completed manure section of GSS form and began adding for RST (Starter
and Stabilizers completed)
Practice Change field for GSS & RST
Spring/Fall Application Dates

For UAN28/32, UREA, ESN, NH3, and Manure
Let CreateFullFieldID

To take track year from group's region, not logged in user
bad data corrections

Tweaks to session and bad data when adding fields/growers from
different user levels.