[+] Install: new installer reworked from scratch

install-new/fixtures/apple/data/supplier.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<entity_supplier>
+	<fields id="name" class="Supplier" image="su">
+		<field name="name" />
+		<field name="active" />
+	</fields>
+
+	<entities>
+		<supplier id="AppleStore" active="1">
+			<name><![CDATA[AppleStore]]></name>
+		</supplier>
+		<supplier id="Shure_Online_Store" active="1">
+			<name><![CDATA[Shure Online Store]]></name>
+		</supplier>
+	</entities>
+</entity_supplier>