Revert "Modified PostComment:__call__() to decouple the comment creation logic from the form validation logic. It now exists in a new method PostComment:create_comment(request, form, opts), which is called in __call__()."
Revert "Modified PostComment:__call__() to decouple the comment creation logic from the form validation logic. It now exists in a new method PostComment:create_comment(request, form, opts), which is called in __call__()."

This reverts commit 3ea75fe32816691f8be95790ccdaa97c5143da6a.

ella/ella-comments