tests/test-bad-pull.out

hgweb: don't raise an exception when displying empty repos

The nullid node claims it's in the default branch, but the branch dict
is empty.  This fixes the main symptom from issue696, but we may want
to set branchtags()['default'] = nullid somewhere for empty repos.

abort: error: Connection refused
255
copy: No such file or directory
abort: HTTP Error 404
0