wip プレビュー画面比率バグ修正
wipバグメニューバー修正
今日の分のまとめマージ
Merge remote-tracking branch 'yamanishi/master' into test_merge

Conflicts:
	ScrollNinjaEditor/src/org/genshin/scrollninjaeditor/MenuButton.java
	ScrollNinjaEditor/src/org/genshin/scrollninjaeditor/SelectScreen.java