virtual/holland-backup-mysql: add lvm USE description.
dev-python/git-review: add metadata.xml.
sys-kernel/upkern-9999: update to distutils-r1.
sys-kernel/upkern-4.0.1: update to distutils-r1.
app-backup/holland-lib-mysql-1.0.10: add missing ~x86 keyword.
app-backup/holland-lib-lvm-1.0.10: add missing ~x86 keyword.
app-portage/pclean: add metadata.xml.
app-emulation/vagrant: remove from overlay.
dev-python/pika-0.9.12: remove from overlay.
www-apps/margarine-9999: drop DEPEND from RDEPEND.
app-backup/holland-lib-common-1.0.10: add missing ~x86 keyword.
sys-kernel/upkern-3.1.9: update to distutils-r1.
www-apps/margarine-9999: depend on revisions of pika.
virtual/holland-backup-mysql: add description for mysqldump flag.
app-backup/holland-backup-sqlite-1.0.10: add missing ~x86 keyword.
sys-kernel/upkern-3.1.9: remove extraneous whitespace.
app-backup/holland-backup-mysql-lvm-1.0.10: fix dependency typo.

Typoed the mysqldump plugin package name (s/lib/backup).
dev-python/pyxenstore-9999: update to distutils-r1.
dev-python/pycallgraph-9999: update to distutils-r1
app-emulation/singularity-9999: update to distutils-r1