Merge pull request #2 from indexzero/streamline-install

Streamline installation
workaround deps bug with percona install
adding versions to dependencies
Revert "[fix] Make IP address assignment sane."

This reverts commit bb0ceb715014baa2ccafde7d49600e98e543dc04.
updated doc to explicitly use chef 10 (and reverted charlie's IP assignment fix)
enable nova vm migrations
setup to enable live migration via block-migration
set env attributes as override instead of default
automatically restart log shipper when it's stuck
[fix] Create bins if it doesnt exist