Notes: This is maintenance release for Z-Push 1.5. This version is especially recommended for all iPhone users who aren't in GMT timezone as it fixes the appointment difference problem in the invitees' callendar. Changes: Zarafa/ICS - fixed: iPhone invite timezone problem in the atendees' calendar (Mantis #311) - fixed: message can not be delivered answering a html email with unicode characters (Mantis #310) - fixed: remove 0xA0 from UTF-8 string before converting (Mantis #314) General - fixed: fatal php error on GetHierarchy (Mantis #315)