adds edit suggestion functionality for admins
absolute path for partial required when validation fails
Merge remote-tracking branch 'stream7/suggestion_edit' into 22-suggestions_moderation. Refs #22.
Obey the current code styling.
Generalize who is able to moderate suggestions. Refs #22.
Make more prominent that moderation is something that should not happen for fun! Refs #22.
A first take on mail notification for moderated suggestions. Refs #22.
Tests for authorization and notification of suggestion moderation. Refs #22.
Wording fixes in moderation notification. Refs #22.
Merge branch '22-suggestions_moderation' into euruko2013. Fixes #22.