Merge pull request #4 from yykozy/master

bugfix
Merge pull request #5 from yykozy/master

コメント追加
Merge pull request #6 from yykozy/master

選択肢セット
answer
timeup
nextstep
nextstep
nextStep
add answer

ans_orderがリセットできない
setAnswer
ans_order
result
guage
ajax
bgcolor
css
update