mq: use repo.changelog.tip() instead of the "tip" tag

Fix missing space in one of the new update messages.

qclone: do not abort if remote hasn't enabled mq (issue1040)

hgweb: add compatibility code for old templates Up to changeset 3340aa5a64f7, HTTP headers were expected to be embedded in the "headers" template. Since that changeset, the content-type is supposed to be defined as the "mimetype" template in the map file. This changeset makes sure the old templates still work.

Merge with crew

test-convert-mtn: test directory move

convert: record deleted files in monotone source