What's new in 0.4.4α: * CalDAV: ignore collections without VEVENT support (for instance, VTODO collections) * provide DTEND for single-time events and DURATION for recurring events to Android calendar data provider (fixes #60) * allow to enter account name at the end of account setup (fixes #13) * advise user to enter email address as account name (closes #24) * support for iCal TRANSP (availability free/busy field) * create better UIDs using iCal4j UidGenerator and Settings.Secure.ANDROID_ID * better ORGANIZER/ATTENDEE support, but there are big Android issues yet * various improvements and bug fixes