API change for verifying the scheduler when live migrating

After modifying the evacuate action, we now add a new microversion
change for modifying the live-migrate call so that the scheduler is
called when the admin user provides an hostname unless the force
field is provided.

APIImpact

Implements: blueprint check-destination-on-migrations-newton

Change-Id: I212cbb44f46d7cb36b5d8c74a79065d38fc526d8

doc/api_samples/os-migrate-server/v2.30/live-migrate-server.json

@@ -0,0 +1,7 @@
+{
+    "os-migrateLive": {
+        "host": "01c0cadef72d47e28a672a76060d492c",
+        "block_migration": "auto",
+        "force": false
+    }
+}

doc/api_samples/versions/v21-version-get-resp.json

@@ -19,7 +19,7 @@
             }
         ],
         "status": "CURRENT",
-        "version": "2.29",
+        "version": "2.30",
         "min_version": "2.1",
         "updated": "2013-07-23T11:33:21Z"
     }

doc/api_samples/versions/versions-get-resp.json

@@ -22,7 +22,7 @@
                 }
             ],
             "status": "CURRENT",
-            "version": "2.29",
+            "version": "2.30",
             "min_version": "2.1",
             "updated": "2013-07-23T11:33:21Z"
         }