Implemented ResultData to encapsulate browser test results.
Refactored console report into a separate class.
Removed setuptools from setup.py
Implemented xunit XML report
Wrap long console report lines
Added acceptance test for xunit reports
Updated README to document --xunit-report flag
Increased line length for ... results to 80 chars
Escape XML entities and quotes
Merge pull request #51 from edx/will/xunit-report

Will/xunit report