TwelveMonkeys ImageIO reference test cases

'com.twelvemonkeys.imageio:twelvemonkeys-imageio-reference:2.3'

<dependency>
	<groupId>com.twelvemonkeys.imageio</groupId>
	<artifactId>twelvemonkeys-imageio-reference</artifactId>
	<version>2.3</version>
</dependency>

<dependency org="com.twelvemonkeys.imageio" name="twelvemonkeys-imageio-reference" rev="2.3"/>

"com.twelvemonkeys.imageio", "twelvemonkeys-imageio-reference", "2.3"