[doc] Add a Quick Start section.
Rewrite the user guide.
Regenerate internal TOC comment.
Merge pull request #30 from cgay/docs

[doc] Add a Quick Start section.
Merge pull request #37 from cgay/dev

Show suite completions in progress output.  Fixes #19
Add command-line support for tags.
Merge pull request #38 from cgay/tags

Add command-line support for tags.
[doc] Update testworks reference.
Merge pull request #39 from cgay/docs

[doc] Update testworks docs
Rename --ignore-* to --skip-* to be consistent with result status SKIPPED.  Fix progress display for skipped tests.
Cleanup --help output.  Rename --tags to --tag since it can be repeated.
Fix tags-match? bug.
Display tags in --list-tests output.  Fixes #25
Switch back to failures report by default.  Too much progress output to rely on failure displays there.