Added UniformScale component which keeps an entity's scale at a uniform value relative to the screen.

resources/Schema/Components/UniformScale.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<UniformScale xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="UniformScale.xsd">
+	<Scale X="1" Y="1" Z="1"/>
+</UniformScale>

resources/Schema/Components/UniformScale.xsd

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:t="types">
+	<xs:import schemaLocation="../Types.xsd" namespace="types"/>
+
+	<xs:element name="UniformScale">
+		<xs:annotation>
+			<xs:documentation>Keeps an entity at an uniform scale relative to the camera</xs:documentation>
+		</xs:annotation>
+		<xs:complexType>
+			<xs:all>
+				<xs:element name="Scale" type="t:Vector" minOccurs="0"/>
+			</xs:all>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>