5287 git-pbchk should not depend on mercurial
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
	[illumos-gate merge]

commit e55874358132a4aa6132178335bf567ca79c87c3
    5287 git-pbchk should not depend on mercurial

Conflicts:
	usr/src/tools/scripts/git-pbchk.py (copyright)
	usr/src/tools/onbld/hgext/cdm.py (copyright)
	usr/src/tools/onbld/Scm/Makefile (copyright)
	usr/src/tools/onbld/Scm/Ignore.py (copyright)
	usr/src/pkg/manifests/developer-build-onbld.mf (copyright)

Manifests:
	usr/src/pkg/manifests/developer-build-onbld.mf (ignore)