Translate in german.

src/javascripts/modules/HistoryTabs.js

@@ -14,6 +14,11 @@ PurpleMine.HistoryTabs = (function () {
       all: 'Wszystko',
       notes: 'Notatki',
       details: 'Zmiany'
+    },
+    de: {
+      all: 'Alles',
+      notes: 'Kommentare',
+      details: 'Änderungen'
     }
   }
 

src/javascripts/modules/MenuCollapse.js

@@ -10,6 +10,9 @@ PurpleMine.MenuCollapse = (function () {
     },
     pl: {
       topMenuToggler: 'Zwiń/rozwiń górne menu'
+    },
+    de: {
+      topMenuToggler: 'Ein-/Ausklappen Hauptmenu'
     }
   }