switched to a minor version to work on issue #182
hacking testng reporters to allow a new option where report dir can be customized (issue #182), but not yet working
removed hardcoded path (issue #182)
set the output directory before it's actually required for all reporters (issue #182)
set TestNG output directory too (issue #182)
right separator char (issue #182)
common base output dir for both report and tests (issue #182)
Merge pull request #188 from w3c/issue-182

Customize the base output directory.