peer: change arg name to convey it can be a repo as well

progress: add a changedelay to prevent parallel topics from flapping (issue2698) When combined with the earlier change to make the progress object truly a singleton, this prevents the progress bar swapping on 'hg clone --pull' on a local filesystem. Thanks to timeless for lots of debugging help at the Copenhagen sprint to isolate the root cause of this and a first draft an idea that would fix it.

progress: make progress bar a singleton to avoid double-progress ui bugs This helps issue2698 a little, but isn't a complete fix, since generators still can produce some weird progress bar switching.

progress: remove superfluous parens

keyword: reuse already present working contexts for match Shortens overlong line as side-effect.

merge with stable

discovery: quiet note about heads This was changing output on in/out -v for no good reason.

patch: fix parsing patch files containing CRs not followed by LFs Since 1e64e1e12195 , patch lines containing a CR not followed by a LF would be incorrectly splitten, causing a failure to apply the patch.