better docs for setup_run/0 in eta_task_runner.erl
better docs for setup_run/0 in eta_task_runner.erl

This provides a little better documentation for the setup_run/0 task runner initialization function.

asceth/sinan,erlware-deprecated/sinan,ericbmerritt/sinan,erlware-deprecated/sinan,asceth/sinan,ericbmerritt/sinan,ericbmerritt/sinan,erlware-deprecated/sinan