zeroconf: use DNS length field to safely skip unknown record types

zeroconf: better fix for readName error Stop parsing when an unknown type is seen, since it is impossible to resynchronize on the stream.

zeroconf: try utf-16 decoding if utf-8 fails

import: import each patch in a file or stream as a separate change Supports hg export <revrange>, mail messages, and mailboxes. Does not support multiple patches in a single MIME attachment. Closes issue167.

ui: look before you leap on sys.stdout.closed

mq: fix deprecation mention, line length

merge with mpm

addbranchrevs: fallback for older servers

add -b/--branch option to clone, bundle, incoming, outgoing, pull, push

subrepo: change default path in hgrc of subrepo after cloning Previous behavior was to put in the cloned subrepos the path found in the original main repo. However it isn't valid for relative path and it seems more logical to reference instead the subrepos working copy path of the original main repo.

streamclone: allow uncompressed clones by default

help: Improved body text