### Please describe the problem.
When starting git-annex Version: 5.20140420-ga25b8bb Build flags: Assistant Webapp Webapp-secure Pairing Testsuite S3 WebDAV FsEvents XMPP DNS Feeds Quvi TDFA CryptoHash on My MBP running OSX 10.9.2 I get a notification about:  An upgrade of git-annex is available. (version 5.20140421) 

I then click UPGRADE and then get this message: Internal Server Error Cannot find old distribution bundle; not upgrading.

### What steps will reproduce the problem?
See problem description above, not sure what else to say.

### What version of git-annex are you using? On what operating system?
See problem description above, not sure what else to say.

### Please provide any additional information below.

[[!format sh """
# If you can, paste a complete transcript of the problem occurring here.
# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log


# End of transcript or log.
"""]]

[[!tag moreinfo]]
