Tests, a lot of textures and bug fixes

src/main/resources/content/lang/de_de.lang

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+test.hello-world = Hallo Welt!
+
+game.budget = Budget: %d\u20ac
+game.quit = Spiel beenden
+game.quests = Auftr\u00e4ge
+game.quests.next = N\u00e4chster Auftrag
+game.quest.reward = %d\u20ac
+game.trash = M\u00fclltonne
+game.trash.hover = Zerst\u00f6ren
+game.storage = Lager
+game.storage.empty = Leer
+game.balance.history = Buchungen
+game.balance.history.no-data = Noch keine Buchungen
+game.balance.history.index = 
+game.balance.history.change = Wert in \u20ac
+game.balance.history.type = Beschreibung
+game.balance.history.type.abandon = Auftrag abgelehnt
+game.balance.history.type.destroy = Produkt zerst\u00f6rt
+game.balance.history.type.move = Produkt bewegt
+game.balance.history.type.noop = NOOP
+game.balance.history.type.sell = Produkt ausgelagert
+game.balance.history.type.store = Produkt eingelagert
+game.balance.chart = Bilanz
+game.balance.chart.line = Budget
+game.balance.total-income = Gesamteinahmen: %d\u20ac
+game.balance.total-loss = Gesamtverluste: %d\u20ac
+
+quests.normal = Normal
+
+products.paper = Papier
+products.paper.color = Farbe
+products.paper.color.white = wei\u00df
+products.paper.color.green = gr\u00fcn
+products.paper.color.blue = blau
+products.paper.format = Format
+products.paper.format.a3 = A3
+products.paper.format.a4 = A4
+products.paper.format.a5 = A5
+
+products.wood = Holz
+products.wood.type = Art
+products.wood.type.beech = Buche
+products.wood.type.oak = Eiche
+products.wood.type.pine = Fichte
+products.wood.form = Form
+products.wood.form.pieces = Scheite
+products.wood.form.boards = Bretter
+products.wood.form.beams = Balken
+
+products.stone = Stein
+products.stone.type = Art
+products.stone.type.granite = Granit
+products.stone.type.marble = Marmor
+products.stone.type.sandstone = Sandstein
+products.stone.weight = Gewicht
+products.stone.weight.light = Leicht
+products.stone.weight.medium = Mittel
+products.stone.weight.heavy = Schwer