(QE-43) handle empty pre-suite/tests/post-suite options
Merge pull request #482 from anodelman/QE-43

(QE-43) handle empty pre-suite/tests/post-suite options
(QE-56) remove deprecated command line options, alter confusing options
fixup some README typos
fix inconsistant spacing in README
Merge pull request #484 from anodelman/QE-56 (after rebasing)