mq: unify implementation of qinit and init -Q

bundle: exclude csets given in --base, unless they are in --rev (issue1910) Thanks Jesse Glick for the first version of this patch.

Merge with stable

Merge with default

mq: more instructive use of "--" in qguard help (issue2040)

color: don't crash on invalid status codes (issue2036) If an unknown file with a newline appears in the status output, color shouldn't raise a KeyError trying to parse second line in the filename.

Add progress extension to win32 default config file

test-interhg: test the extension