additional flowering traits

[bauchetg]

See #22 for history
@aafolabi @titima15 ,regarding the crossing data upload some additions may be necessary:

no of flowers pollinated (= new trait)
Total no of flowers pollinated (= new trait)
no of fruit set (= already listed)

bags (= maybe be stored in seed lot object as/Seedlot )
no of seed (= nmaybe be stored in seed lot object as /Seed lot value)