fix job script lock detection

I honestly have no clue what the old code was trying to do
bump version 1.0.4 -> 1.0.5
wrap README.md paragraphs to 80 lines
remove -P option for cronolog in job script since it doesn't work in
this situation
Merge pull request #9 from osuosl-cookbooks/rettigs/docwrap

Wrap README.md paragraphs to 80 lines