[WFCORE-160] Changes bash scripts to use single quotes on incoming parameters rather than a double quote.
Merge pull request #238 from jamezp/WFCORE-160

[WFCORE-160] Changes bash scripts to use single quotes on incoming param...
Upgrade plexus-utils to 3.0.18
Merge pull request #239 from ctomc/build

Upgrade plexus-utils to 3.0.18