This reverts commit 5b9ee9f1, reversing
changes made to bb6c3845.

Newlines were only replaced with <br>'s in the mail body, but not in the configured layout for this mail. This resulted in missing newlines in the layout (everything was more or less in one line).

- Template filter
- Language Filter
- CSV Export

MailToSenderFinisher -> MailToUserFinisher
MailToReceiverFinisher -> MailToAdminFinisher
userName -> mailFromName

fix an issue that was introduced in my previous commit ac5026b5, where i moved the parent:saveFormAction to the bottom of our overriden saveFormAction, in order to save modified values back to the form defitinion. if a form has none of our finishers attached, the action is returns without calling the parentAction.