Correct property names

Author: kayahr

src/main/java/org/usb4java/javax/Config.java

@@ -15,7 +15,7 @@
 final class Config
 {
     /** Base key name for properties. */
-    private static final String KEY_BASE = "org.usb4java.";
+    private static final String KEY_BASE = "org.usb4java.javax.";
 
     /** The default USB communication timeout in milliseconds. */
     private static final int DEFAULT_TIMEOUT = 2500;

src/test/java/org/usb4java/javax/ConfigTest.java

@@ -38,7 +38,7 @@ public void testDefaultConfiguration()
     public void testScanIntervalConfiguration()
     {
         final Properties properties = new Properties();
-        properties.put("org.usb4java.scanInterval", "123");
+        properties.put("org.usb4java.javax.scanInterval", "123");
         final Config config = new Config(properties);
         assertEquals(123, config.getScanInterval());
     }
@@ -50,7 +50,7 @@ public void testScanIntervalConfiguration()
     public void testTimeoutConfiguration()
     {
         final Properties properties = new Properties();
-        properties.put("org.usb4java.timeout", "1234");
+        properties.put("org.usb4java.javax.timeout", "1234");
         final Config config = new Config(properties);
         assertEquals(1234, config.getTimeout());
     }