largefiles: factor out lfutil.getminsize()

largefiles: cleanup import, now that we can assume > 1.9 for bundled extension

largefiles: add test for status

largefiles: remove pre-1.9 code from extension first bundled with 1.9

pyflakes: clean up some import noise

bdiff: fix pointer aliasing

import: add --edit switch

transplant: add --edit option

rebase: add --edit switch

httpclient: update to 07d8c356f4d1 of py-nonblocking-http This addresses a defect when the server closes the socket before finishing a response (if it crashes, for example) first spotted in Issue2951.

wireproto: do not call pushkey module directly (issue3041) Call the repos pushkey/listkeys member function instead. So the pushkey-hooks are triggered.

largefiles: add beginnings of test (covers commit, remove, move, copy, and archive)

setup: add largefiles to list of packages

rebase: move updatedirstate into cmdutil so it can be shared