git-svn-id: https://z-push.org/svn/z-push/trunk@1307 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5

ZP-60 #comment Zarafa-fsck reports invalid property on recurrent calendar items created on iPhone #time 30m

git-svn-id: https://z-push.org/svn/z-push/trunk@1306 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5

- fixed: update folder traditionally (without importer) for ImportFolderChanges()

git-svn-id: https://z-push.org/svn/z-push/trunk@1305 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5

- fixed: return old synckey in case of errors

git-svn-id: https://z-push.org/svn/z-push/trunk@1304 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5

- fixed: when updating a folder the type of the old object is used if it is not set

git-svn-id: https://z-push.org/svn/z-push/trunk@1303 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5

git-svn-id: https://z-push.org/svn/z-push/trunk@1302 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5