bootstrap-host: Add script to fix broken host machines
bootstrap-host: Add script to fix broken host machines

* Primarily fixes Ubuntu 14.04 droplets on Digital Ocean because 1GB of
  RAM isn't enough and the Ubuntu docker pkg has permission issues.

techsd/docker-bitcoind,keo/docker-bitcoinxt,Levino/docker-bitcoind,kylemanna/docker-bitcoind,kelostrada/docker-litecoind