apply patch to sync all flags between IMAP servers http://lists.alioth.debian.org/pipermail/offlineimap-project/2013-March/004567.html
apply xattrmaildir patch http://lists.alioth.debian.org/pipermail/offlineimap-project/2013-March/004567.html
add missing change from customfolder patch
mistake in xattr patch
need to use ; as seperator when saving flags