Implement argumentless id call

Author: ianopolous

src/main/java/io/ipfs/api/IPFS.java

@@ -501,6 +501,10 @@ public Map id(String target) throws IOException {
         return retrieveMap("id/" + target.toString());
     }
 
+    public Map id() throws IOException {
+        return retrieveMap("id");
+    }
+
     public class Stats {
         public Map bw() throws IOException {
             return retrieveMap("stats/bw");

src/test/java/io/ipfs/api/APITest.java

@@ -592,6 +592,12 @@ public void dhtTest() throws IOException {
         Map find = ipfs.dht.findpeer(peers.get(0).id);
     }
 
+    @Test
+    public void localId() throws Exception {
+        Map id = ipfs.id();
+        System.out.println();
+    }
+
     @Test
     public void statsTest() throws IOException {
         Map stats = ipfs.stats.bw();