Add package dev-vcs/git

With ebuild dev-vcs/git-2.0.0-r1.ebuild, copied with patches from the Portage tree.

Package-Manager: portage-2.2.8-r1
RepoMan-Options: --ignore-arches
Update dev-vcs/git-2.0.0-r1

Fix broken generation of git-instaweb in patch files/git-2.0.0-optional-cvs.patch.

Package-Manager: portage-2.2.8-r1
RepoMan-Options: --ignore-arches