remove(coreos-base/coreos-test): Unused test image meta-package
remove(app-benchmarks/bootchart): systemd provides its own implementation
remove(sys-boot/*): Remove unused boot/firmware packages.

Remove bootcache and assorted firmware/boot related packages left over
from ChromeOS. We don't run on funny looking firmwares etc :)
fix(profiles): Add pinentry eselect module to provided list
fix(profiles): Move sdk specific package.use entries to sdk profile
fix(profiles): Remove python use flag from libxml2 and protobuf

Keep python's use in targets to a minimum.
fix(coreos-base/coreos): Remove dash
fix(coreos-base/coreos): Remove sharutils (provided uuencode/uudecode)
fix(coreos-base/coreos): Remove tlsdate
fix(coreos-base/coreos): Remove pv
remove(coreos-base/internal): Unused, for getting jiggy with ChromeOS.
bump(coreos-base/coreos): update revision
bump(coreos-base/hard-host-depends): update revision
fix(coreos-base/coreos): Add rsync to system images
Revert "fix(coreos-base/coreos): Remove tlsdate"

This reverts commit 05ad60b19146a7217e6e0140b962bf07c157a87d.

Keeping tlsdate for now, but we still need to actually configure it.
Merge pull request #221 from marineam/image-cleanup

Image cleanup