Issue #508 Refactor the sandbox code out of the pipeline package
Issue #508 Fix up the install for build without a sandbox
Issue #508 Add some require libs to the test plugins
git pull instead of fetch on external update
Issue #508 Fix heka.sandbox. message Type string modified by search and replace
Merge pull request #510 from mozilla-services/issue_508

Issue #508 Refactor the sandbox code out of the pipeline package