Fix n4jsx comments referring to n4idl

Author: Quang Tran

testhelpers/eu.numberfour.n4jsx.tests.helper/src/eu/numberfour/n4jsx/tests/helper/N4JSXParseHelper.java

@@ -31,7 +31,7 @@ public class N4JSXParseHelper extends ParseHelper<Script> {
 	private ResourceHelper resourceHelper;
 
 	/**
-	 * Parses n4idl file (using n4idl as file extension).
+	 * Parses n4jsx file (using n4jsx as file extension).
 	 */
 	public Script parseN4JSX(CharSequence text) throws Exception {
 		setFileExtension("n4jsx");

testhelpers/eu.numberfour.n4jsx.tests.helper/src/eu/numberfour/n4jsx/tests/helper/parser/AbstractN4JSXParserTest.xtend

@@ -29,7 +29,7 @@ import eu.numberfour.n4js.n4JS.IdentifierRef
 import eu.numberfour.n4jsx.n4JSX.JSXChild
 
 /**
- * N4IDL version of N4JS' AbstractParserTest 
+ * N4JSX version of N4JS' AbstractParserTest 
  */
 @RunWith(XtextRunner)
 @InjectWith(N4JSXInjectorProvider)