Rename script language to simply "Jython"

To differentiate from true Python:
https://github.com/scijava/scripting-python/

Author: hinerm

src/main/java/org/scijava/plugins/scripting/jython/JythonScriptLanguage.java

@@ -50,7 +50,7 @@
  * @author Mark Hiner
  * @see ScriptEngine
  */
-@Plugin(type = ScriptLanguage.class, name = "Python (Jython)")
+@Plugin(type = ScriptLanguage.class, name = "Jython")
 public class JythonScriptLanguage extends AdaptedScriptLanguage {
 
 	@Parameter