FF 3.6 is history

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9429 5f5364db-9458-4db8-a492-e30667be6df6
JavaScript: window.addEventListener() to handle native EventListener objects.
Issue 1614

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9430 5f5364db-9458-4db8-a492-e30667be6df6
more ff17 cleanup

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9431 5f5364db-9458-4db8-a492-e30667be6df6
more ff17 cleanup

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9432 5f5364db-9458-4db8-a492-e30667be6df6
more ff17 cleanup

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9433 5f5364db-9458-4db8-a492-e30667be6df6
more ff17 cleanup

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9434 5f5364db-9458-4db8-a492-e30667be6df6
Fixing build, thanks to Ronald for hinting.

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9435 5f5364db-9458-4db8-a492-e30667be6df6