add compilerwarn.jar into repository
Revert "add compilerwarn.jar into repository"

This reverts commit 6aff65f068ed4dff11bcd52f2ae5bdedbead9f92.
Revert "Revert "add compilerwarn.jar into repository""

This reverts commit 5bcc38bbdb5d021812fcb29536993b7af2ae6327.
Revert "Revert "Revert "add compilerwarn.jar into repository"""

This reverts commit 31bfd68a115659074a93a22e3c6ee3319f3b3aff.