started to development of OpenPNE 3.8.11
able to read exif data and orient the direction to repair of the uploaded image(fixed #3564)
fixed to apply 'op_mail_envelope_from' config for sendmail transport (refs #3582, BP from #3358)
removed useless setReturnPath() method call (refs #3582, BP from #3358)
version 3.8.11