Add an option to report all test cases for each class to the reports

[CharliePoole]

Currently, nunit-results produces an index file and a detailed report for each test assembly. Some folks would like to have a more detailed report that lists the result of each test method. This should be added as an optional feature.

The detailed report would be linked to from each test class. It could be on a separate page or lower down on the same page. It would include all relevant info available about the test.

If a detailed report is being produced, then it may not be necessary to produce the separate tables of failed or not run tests. Individual tests in the detailed report should be color-coded based on their outcome.

Originally https://bugs.launchpad.net/nunit-results/+bug/495734