Add option '-D' to sync to delete obsolete projects.
Revert "Change .repo folder to .mrepo"

This reverts commit e74249f4981c0b0ad29d5cbd3e32d7113d3aefa2.
Revert "Change .repo and .repoconfig to .mrepo and .mrepoconfig"

This reverts commit 0f5e5cb417b72c8d27e88a6fede02f23655404d1.
Revert "Change myrepo to mrepo, it's easier to type."

This reverts commit 6b5881ae6bfdaf4706edd31ed4f858ba1f06aa74.
Revert "Update some hard-coded repo to myrepo."

This reverts commit 533ff2d25412eba0cd6f79c4f091d882f0fa5cda.
Revert "Modify VERSION to 0.1"

This reverts commit 44a2f820822aa4e24b0bb7778f88343bf8f61502.
Revert "Remove v0.4 limitation."

This reverts commit fd69b2616739d8cb1730014a4518b186c53b6de5.
Revert "Rename repo to myrepo, to avoid confusion."

This reverts commit 0795bacc5bd6fce4a9dd0665a515525927c42db9.
Update README. Revert script name back to repo.

There are too many hard coded 'repo' inside, and it's also
meaningless to try to change its name for now.