Zprovozněna sestava objednávky. Umožněn upload souboru s razítkem, které

se zobrazuje na sestavě objednávky (Globalní nastavení - Požadavky -
Razítko).
closes #136

src/main/webapp/settings/global/requirements.zul

@@ -0,0 +1,28 @@
+<?page title="requirements" contentType="text/html;charset=UTF-8"?>
+<zk>
+	<groupbox mold="3d">
+		<caption label="${labels.GlobalSettingsReqEnable}"/>
+		<div>
+			<checkbox
+				label="${labels.EnableRequirements}"
+				checked="@bind(vm.settings.enableRequirements)" disabled="@load(not vm.canSave)" />
+		</div>	
+	</groupbox>
+	<groupbox mold="3d">
+		<caption label="${labels.GlobalSettingsStamp}"/>
+		<hbox>
+			<button label="${labels.GlobalSettingsUploadStamp}" 
+				upload="true,maxsize=600,accept=image/*" 
+				onUpload="@command('uploadStamp')"
+				sclass="nicebutton"
+				disabled="@load(not vm.canSave)"/>
+			<div width="400px" height="110px" style="border: 1px solid black;">
+				<image height="100px" content="@load(vm.stampImg)"/>
+			</div>
+		</hbox>
+		<button label="${labels.ButtonDelete}" 
+			onClick="@command('removeStamp')" 
+			sclass="nicebutton"
+			disabled="@load(not vm.canSave)"/>	
+	</groupbox>
+</zk>