tag node -> add node, better element offsets, fix splash background on iOS

lib/localizations/de.json

@@ -6,7 +6,7 @@
     "title": "DeFlock"
   },
   "actions": {
-    "tagNode": "Knoten Markieren",
+    "tagNode": "Neuer Knoten",
     "download": "Herunterladen",
     "settings": "Einstellungen",
     "edit": "Bearbeiten",

lib/localizations/en.json

@@ -6,7 +6,7 @@
     "title": "DeFlock"
   },
   "actions": {
-    "tagNode": "Tag Node",
+    "tagNode": "New Node",
     "download": "Download",
     "settings": "Settings",
     "edit": "Edit",

lib/localizations/es.json

@@ -6,7 +6,7 @@
     "title": "DeFlock"
   },
   "actions": {
-    "tagNode": "Etiquetar Nodo",
+    "tagNode": "Nuevo Nodo",
     "download": "Descargar",
     "settings": "Configuración",
     "edit": "Editar",

lib/localizations/fr.json

@@ -6,7 +6,7 @@
     "title": "DeFlock"
   },
   "actions": {
-    "tagNode": "Marquer Nœud",
+    "tagNode": "Nouveau Nœud",
     "download": "Télécharger",
     "settings": "Paramètres",
     "edit": "Modifier",