localrepo: have _loadfilter return the loaded filter patterns

merge with mpm

wireproto/http: drain the incoming bundle in case of errors

wireproto: introduce pusherr() to deal with "unsynced changes" error The behaviour between http and ssh still differ: - the "unsynced changes" is seen as a remote output in the http cases - but it is correctly seen as a push error for ssh

wireproto: redirect the output earlier

wireproto: return in finally was messing with the return inside the block

tests: use a glob for all of the host, might not be localhost

commands: add move alias for the rename command svn provides move, and it's also a standard tool on Windows.

util: make wrap() require a width argument This keeps hgweb's help engine from poking at file descriptors that don't exist.

showconfig: don't accept multiple sections and one config item Showconfig now behaves as documented and only accepts one section.name argument or a number of section names.