Merge pull request #29 from wolfeidau/master

Added ARM to the list of architectures to build.
import sha512 to make sha512 ssl certs work
Bumped version.
Implemented logrus as the new logging solution.
Improved debug handling.
Added more debugging to artifact uploading.
Ensure output and monitoring goroutines complete before finalising job.
Merge pull request #34 from theojulienne/bugfix/missing-output

Ensure output and monitoring goroutines complete before finalising job.
Merge branch 'master' into refactor-logging
Show PID in the logs when booting up.
Implemented my own logger.
Tweaked the logging colors.
Merge pull request #33 from buildboxhq/refactor-logging

Refactor logging
Bumping version to 0.2-beta.4
Refactored exit status handling.
Bumping to version 0.2-beta.5
Used GitHub raw user content URL's.
More refactoring to exit status handling.
Bumping to version 0.2-beta.6
Added a buildbox CI script.