Implement REST APIs for flows:

- get all flows
- get all flows for a device
- get all flows for a device with a given ID

Change-Id: Ifb1541e4ae4a7e49f1347b34bef2fe788902368d
diff --git a/web/api/src/test/java/org/onosproject/rest/IntentsResourceTest.java b/web/api/src/test/java/org/onosproject/rest/IntentsResourceTest.java
index cd8bce1..087d8ab 100644
--- a/web/api/src/test/java/org/onosproject/rest/IntentsResourceTest.java
+++ b/web/api/src/test/java/org/onosproject/rest/IntentsResourceTest.java
@@ -256,6 +256,7 @@
     private static IntentJsonArrayMatcher hasIntent(Intent intent) {
         return new IntentJsonArrayMatcher(intent);
     }
+
     @Before
     public void setUp() {
         expect(mockIntentService.getIntents()).andReturn(intents).anyTimes();