suppress checks for ebuild Manifests and caches

BUG=chromium-os:11308, chromium-os:21049
TEST=repo upload after adding a Manifest to a tree

Change-Id: I419e9664c50d2f6aecb4c505852a69e51114626b
Reviewed-on: http://gerrit.chromium.org/gerrit/10264
Reviewed-by: David James <davidjames@chromium.org>
Reviewed-by: Ryan Cui <rcui@chromium.org>
Reviewed-by: Brian Harring <ferringb@chromium.org>
Tested-by: Brian Harring <ferringb@chromium.org>
1 file changed