==Events and parameters==

This is a list of events and parameters; please add to it if you're going
to add events to the FlaggedRevs extension code.

'FlaggedRevsFRGenericSubmitFormReady': When a FRGenericSubmitForm (subclass) is
about to be submitted. Return boolean 'false' to skip internal processing and
use $result to return an error message key
$form: the FRGenericSubmitForm wich contains all parameters submitted by the user
&$result: empty string. Can be set to an error message key

'FlaggedRevsRevisionReviewFormAfterDoSubmit': After a review has been processed
and written to the database.
$form: the RevisionReviewForm object.
$status: the status value generated from RevisionReviewForm::doSubmit. This is
not a Status object but string or boolean value! 'true' on success, error
message key on failure.