IE11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9300 5f5364db-9458-4db8-a492-e30667be6df6
IE11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9301 5f5364db-9458-4db8-a492-e30667be6df6
IE11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9302 5f5364db-9458-4db8-a492-e30667be6df6
feature naming and code cleanup

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9303 5f5364db-9458-4db8-a492-e30667be6df6