chore(vendor): update jsonite rev, #1010 (#1012)

vendor/vendor.json

@@ -34,10 +34,10 @@
 			"revisionTime": "2017-06-01T23:02:30Z"
 		},
 		{
-			"checksumSHA1": "1K394KhUNPplCZzaz69+az17fR0=",
+			"checksumSHA1": "WFJPa8cL6nzQU3yA1iN+gmaqrSU=",
 			"path": "github.com/json-iterator/go",
-			"revision": "dc388588a371d252dabef1f758e53a958fa11726",
-			"revisionTime": "2017-07-12T08:40:14Z"
+			"revision": "4b33139ad07fda872cb378bb4218b2fab74ce62b",
+			"revisionTime": "2017-07-12T09:56:51Z"
 		},
 		{
 			"checksumSHA1": "9if9IBLsxkarJ804NPWAzgskIAk=",