環境設定Fix
https://github.com/KatouBuntarou/OpenDolphin-2.3mh/issues/76
Merge 2.3m/master

Conflicts:
	client/src/main/java/open/dolphin/resources/Dolphin_ja.properties
	client/src/main/java/open/dolphin/setting/MiscSettingPanel.java
Merge 2.3m/master（手動マージ分）

Conflicts:
	client/src/main/java/open/dolphin/resources/Dolphin_ja.properties
	client/src/main/java/open/dolphin/setting/MiscSettingPanel.java