WT-419
provide facilities to express WebTest tests as Groovy code

Files:
added: /trunk/webtest/selftests/tests/SampleUseTest.groovy (try)
modified: /trunk/webtest/doc/info/manual/WebTestHome.xml (try)
added: /trunk/webtest/src/main/java/com/canoo/webtest/WebtestCase.groovy (try)
added: /trunk/webtest/resources/empty-project/tests/WebTestConferenceTest.groovy (try)
copied: from /trunk/webtest/selftests/tests/build.xml (r45094) to /trunk/webtest/selftests/build.xml (try)
modified: /trunk/webtest/doc/info/manual/WhitePaperStyle.xsl (try)
deleted: /trunk/webtest/selftests/tests/build.xml
added: /trunk/webtest/resources/empty-project/tests/GoogleWebtestTest.groovy (try)
modified: /trunk/webtest/webtest.xml (try)
modified: /trunk/webtest/build.xml (try)