Update README.md

fix typo in ignore example
fix console output error reporting
Add support for JSON format
Make sure time is always included in xml output - was missing for ignored tests
Merge branch 'rlouapre-master'
Add JSON output to readme
Fix for #30

- XRay should invoke setup / teardown functions when tests query
parameter is provided.
Merge pull request #31 from rlouapre/issue-30

Fix for #30
also allow *.xqm library modules
Merge pull request #33 from mblakele/xqm-for-pull

Also allow *.xqm library modules