protocol: introduce wireproto.py
- add a protocol-independent dispatcher
- move most of the basic commands from sshserver to wireproto
- dispatch through wireproto first
default = 'changelog'
mimetype = 'text/xml; charset={encoding}'
header = header.tmpl
changelog = changelog.tmpl
changelogentry = changelogentry.tmpl
filelog = filelog.tmpl
filelogentry = filelogentry.tmpl
tags = tags.tmpl
tagentry = tagentry.tmpl
error = error.tmpl