Update forms-and-actions.rst
Update forms-and-actions.rst

Made a few textual changes that I think make things a bit more readable.
gennadiylitvinyuk/zf2-documentation,akrabat/zf2-documentation,Rud5G/zf2-documentation,samsonasik/zf2-documentation,akrabat/zf2-documentation,rettal/zf2-documentation,gennadiylitvinyuk/zf2-documentation,Rud5G/zf2-documentation,samsonasik/zf2-documentation,rettal/zf2-documentation