Clean up some phpdoc.
Attempt to workaround protocol limitation/bug in dealting with birthday/anniversary fields.

For POOMCONTACT:Birthday and POOMCONTACT:Anniversary fields, attempt
to normalize the date values to work around the fact that the protocol
does not specify a standard time to use for these datetime fields.

Hopefully fixes some of the drifting birthday issues that people have
been having. Probably need to add some more device/version sniffing
but this should handle the bulk of the clients.
Fix method name.
Don't kill the entire sync if we don't know about a single email.
Existence check.
Improve date handling for some more clients.
Fix phpdoc
CHANGES
Check for encrypted notes when converting to ActiveSync message.
BFN
This will not catch an exception due to encrypted note.
Allow import if user has Horde_Perms::EDIT on the calendar, just like basic view.