Added CalendarRoot for forward compatbility.
Bumped version.
Using class_alias instead.
text/x-card is deprecated in favour of text/card.
application/octet-stream as default content-type.
Update tests.
Merge pull request #559 from Hywan/guessContentType_vcard

text/x-card is deprecated in favour of text/card
Merge pull request #560 from Hywan/guessContentType_default

application/octet-stream as default content-type
Updated changelog.
Only marking iCalendar objects as modified when they generate scheduling
messags.

Fixes #547.
Only marking iCalendar objects as modified when they generate scheduling
messags.

Fixes #547.
Updated changelog.
Support REDIRECT_REMOTE_USER.

Fixes #558.
Going to release this version as stable.
Depending on a stable vobject again.
Updated changelog.
Merge branch '2.1'

Conflicts:
	ChangeLog.md
	lib/DAV/Version.php
Removed dead code.
Test for EmailAddressSet
Ensuring that the sync-token field gets initialized with a value.