log-like commands now use -G for --graph, -g for --git

add --git option to commands supporting --patch (log, incoming, history, tip) No short -g form, since it would conflict with -g from the graphlog extension.

i18n: add python-format comments to Japanese translation

i18n: add Japanese translation

tests: fix for test-identify returning 255

extdiff: add --change option to display single changeset diff This is the counterpart for extdiff of 9c6ae2e09e11.

identify: have consistent output for local repositories Also, add some extensive testing for it (hardly any in the suite so far).

i18n: wrapped long lines in Italian translation

i18n: add Italian translation

record: minimize number of status calls

patch: no need to instantiate a match catch-all in diff()

close sockets on httprepository deletion (issue1487) With this destructor in place, I no longer see tracebacks on the server after using win32 clients for pull, push, etc.

i18n: updated Chinese translation

hgweb: add guid to rss items

hgweb: add atom error template