FileUtils: allow optional "natives-" prefix

This is necessary to support jogamp artifacts, such as:

* gluegen-rt-2.3.0-natives-android-armv6.jar
* gluegen-rt-2.3.0-natives-linux-amd64.jar
* gluegen-rt-2.3.0-natives-macosx-universal.jar
* gluegen-rt-2.3.0-natives-windows-i586.jar

Author: ctrueden

src/main/java/org/scijava/util/FileUtils.java

@@ -627,7 +627,7 @@ private static String classifiers() {
 			"sources",
 			"javadoc",
 			"native",
-			"(android|linux|macosx|solaris|windows)-" +
+			"(natives-)?(android|linux|macosx|solaris|windows)-" +
 				"(aarch64|amd64|arm|armv6|armv6hf|i586|universal|x86|x86_64)",
 		};
 		final StringBuilder sb = new StringBuilder("(");