init commit of boot-hpcloud-vm

-- contains heavily modifed version of tim miller jenkins-devstack plug
-- novawhiz has been rolled in and tweaked a bit
-- attempt to roll in hpfog for floating ip config is in the works
-- user-data nova boot script is available, althouth not fully working
-- line by line execution of commands over ssh
-- all inputs can accept injected $VARS from parameter, env inject plugin, or general env vars