Merge pull request #154 from spadgett/master

better error handling during test setup failures
Modify Html execution report to display requirements

Rather than just having the passed must/should/may requirements in the
table, all are now shown for better readability.
The percentages have also been removed - they were a bit misleading.
Merge pull request #157 from ttsanton/master

Modify Html execution report to display requirements
add --httpLogging option to log HTTP requests and responses

The option will log the HTTP request and response into a file called
http.log on validation failures along with some error details. This can
also be set in a testng.xml file using

    <parameter name="httpLogging" value="true" />

This feature requires we move from rest-assured 2.3.0 to 2.3.1.