change directory watcher to java 7 so it can be used in the plugins. …

…It was getting banned.

pom.xml

@@ -26,7 +26,7 @@
   <packaging>takari-jar</packaging>
   <name>Directory watcher with a native OSX implementation of the WatchService</name>
   <properties>
-    <takari.javaSourceVersion>1.8</takari.javaSourceVersion>
+    <takari.javaSourceVersion>1.7</takari.javaSourceVersion>
     <takari.licenseHeader>LICENSE-HEADER.txt</takari.licenseHeader>
   </properties>
   <developers>

src/main/java/io/takari/watcher/DirectoryChangeListener.java

@@ -24,7 +24,6 @@ public interface DirectoryChangeListener {
 
   void onDelete(Path path) throws IOException;
 
-  default boolean stopWatching() {
-    return false;
-  }
+  boolean stopWatching();
+
 }

src/main/java/io/takari/watcher/DirectoryWatcher.java

@@ -114,6 +114,7 @@ public DirectoryChangeListener getListener() {
   }
 
   public void close() throws IOException {
+
     watchService.close();
   }