subrepo: fix git archive parsing of directories and symfiles

subrepo: support ignoreupdate in gitsubrepo's dirty()

subrepo: backout 519ac79d680b Unfortunately git 1.6 does not support the upstream parameter in for-each-ref.

url: fix check-code whitespace complaint

templater: use the parser.py parser to extend the templater syntax

templater: give slightly nicer error for unknown map entries

mq: update .hgsubstate if subrepos are clean (issue2499) This patch prevents MQ from creating an inconsistent subrepo state. If the .hgsub file has been changed, and none of the subrepos have uncommitted changes, creating or updating a patch (using qnew, qrefresh, or qrecord) will update .hgsubstate accordingly. If any subrepos _do_ have uncommitted changes, qnew/qrefresh/qrecord will abort. Thanks to pmezard for proposing this solution.

backout f08df4d38442