normalizing shebang and bash options. also added long-term fix for bootstrap instructions
adding a DOKKU_TRACE env var to enable "set -x"
reorganizing deploy readme
Merge pull request #275 from progrium/shebang-pipefail

normalizing shebang and bash options + long-term fix for bootstrap instructions
Remove newly introduced '0.0.0.0:' from `docker port`
Silence nginx reloading
Merge branch 'master' of https://github.com/progrium/dokku into installer