tests: eliminate shutdown race and sleeps in test-serve

tests: eliminate daemon race in test-bad-pull

merge with stable

alias: abort on missing positional args (issue3331)

phases: fix a non-standard debug message - add missing newline - ditch gratuitous use of string formatting with dict - fix so it actually does string formatting ('%' rather than ',') - inline unnecessary local variable - downcase first word

convert/git: abort if git submodules are detected (issue2150) This improves the error message when convert encounters a git submodule. Now, instead of a git-cat-file error, we'll directly report the lack of support for git submodules.

merge with stable

qfinish: comply with the phases.new-commit option in secret mode (issue3335) In secret mode qfinished changeset were move to the draft phase in all case[1] without regard to phases.new-commit value This changeset ensure qfinish does not automatically promote a changeset further than the phases.new-commit value. Note: This may also result in qfinished changeset made public if phases.new-commit is set to public. [1] "In all case" where parent have a compatible phase. Qfinish keep never altering phases of changeset not involved in the qfinish.

test-gpg: make sure gpg does not modify the trustdb.gpg file Tests really should not modify files in the Mercurial working dir where they ran from! I suspect that trustdb.gpg is now old enough that GPG thinks it should update it automatically. Suppress that feature with --no-auto-check-trustdb.

tests: remove case-folding false positive