fix some ui hangs when appending log entries
text change: "are current" -> "in sync"
check for cancellation more often
rename Manifest.ManifestSyncItem -> Manifest.SyncItem
cleanup out-of-repository detection code
support file and directory deletions
detect if the running binary was updated and set RequireRestart = true
update some nu-get packages, cleanup fody build
support locking the remote repository (for updates)
1.6.1
clean up some 100% messages
update mahapps, cleanup dispatcher code for ui updates
support proper default overrides for fuzzy, ignoreExisting, ignoreCase, purge
recheck repo status on app focus, allow F5 to refresh manifest
1.6.2
update fody
show some more info in tooltip over repo status
cleanup text displays, remove legacy kill handler code
check for updater binary change/restart after each sync item

This allows moving updater.exe to the top and affect all following sync changes.
update to cygwin 1.7.30, patch rsync with --fsync support to potentially speed up cancels/display