Added unchanged fields for required and disallowed and also post them back for edit.
Added unchanged fields for required and disallowed and also post them back for edit.

MathGen/oppgavegenerator,w0pke/oppgavegenerator,MathGen/oppgavegenerator,MathGen/oppgavegenerator,w0pke/oppgavegenerator,w0pke/oppgavegenerator