finds HTML files in $dir, calls run_tests_for on them
starts necessary servers as appropriate
+method start_app_server
+ starts the associated Cat server
+
+method stop_app_server
+ derp
+
* stuff THS calls, users might call
method start_selenium_server
method stop_selenium_server
derp
-method start_app_server
- starts the associated Cat server
-
-method stop_app_server
- derp
-
method run_tests_for($html_file)
uses Socialtext::WikiFixture::Selenese to run $html_file against selenium
server