fix build and add ff31

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9717 5f5364db-9458-4db8-a492-e30667be6df6
and again some code style fixes

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9718 5f5364db-9458-4db8-a492-e30667be6df6
ie11 progress; Chrome expectation fix

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9719 5f5364db-9458-4db8-a492-e30667be6df6
ie11 progress

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9720 5f5364db-9458-4db8-a492-e30667be6df6