
Plugins want to use the existing mail infrastructure for sending custom emails. If the plugin can register soy templates, the plugin can easily extend one of the existing sender class (e.g. ReplyToChangeSender) to send custom emails with these custom soy templates. Signed-off-by: Edwin Kempin <ekempin@google.com> Change-Id: Ic3adcbb73ed3f82395da4f273bc9fc856a50a257