Fix TestTranslationBundle

The test was never run from maven, because its name did not end
in a way that was recognized by the pom. After rename it failed
because it did not find its resources.

Rename test class and move resources to the resources folder

Change-Id: I74a7ef1373cd902e1d05ff6ea38f8648b5fc5700
Signed-off-by: Robin Rosenberg <robin.rosenberg@dewire.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/nls/TranslationBundleTest.java

@@ -52,7 +52,7 @@ import org.eclipse.jgit.errors.TranslationBundleLoadingException;
 import org.eclipse.jgit.errors.TranslationStringMissingException;
 import org.junit.Test;
 
-public class TestTranslationBundle {
+public class TranslationBundleTest {
 
 	@Test
 	public void testMissingPropertiesFile() {