Change Maven artifactID to cwlviewer

Prevents viewer.jar and "viewer" project in the IDE

Author: Mark Robinson

pom.xml

@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>org.commonwl</groupId>
-	<artifactId>viewer</artifactId>
+	<artifactId>cwlviewer</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<packaging>jar</packaging>