Refactoring the code to make it easier to reason about
Making the tasktracker container cpu configurable
Formatting changes
Merge pull request #6 from mesos/refactoring

Refactoring the code to make it easier to reason about
Print environment variables one per line.

Previous example would print `ENV` all one one line, making it harder to read, and would have allowed shell expansion, hindering debugging.
Merge pull request #7 from solidsnack/patch-1

Print environment variables one per line.