JP translation fixes

locales/ja/app.json

@@ -80,7 +80,7 @@
       "extraNotes": "Extra Notes",
       "directions/Actions": "Directions/Actions",
       "advancedOptions": "Advanced Options",
-        "difficulty": "難事",
+        "difficulty": "難易度",
           "difficultyHelpTitle": "How difficult is this task?",
           "difficultyHelpContent": "This multiplies its point value. Use sparingly, rely instead on our organic value-adjustment algorithms. But some tasks are grossly more valuable (Write Thesis vs Floss Teeth). Click for more info.",
           "easy": "簡単",
@@ -133,7 +133,7 @@
       "skin": "皮膚",
       "clothing" : "衣料",
         "showArmor": "Show Armor",
-      "other": "エキストラ",
+      "other": "他の",
         "showWeapon": "Show Weapon",
         "showShield": "Show Shield",
       "photoUrl": "写真 URL",