chore(make): update-json and all APIs

It's about time we finish up this part, to make it even easier to test
against more APIs, and keep them up-to-date

etc/api/dataflow/v1b4/dataflow-api.json

@@ -0,0 +1,69 @@
+{
+ "kind": "discovery#restDescription",
+ "etag": "\"ye6orv2F-1npMW3u9suM3a7C5Bo/dTcq0rCwnZSU5y5C-0jgoQiaKQA\"",
+ "discoveryVersion": "v1",
+ "id": "dataflow:v1b4",
+ "name": "dataflow",
+ "version": "v1b4",
+ "revision": "20141207",
+ "title": "Google Dataflow API",
+ "description": "Google Dataflow API.",
+ "ownerDomain": "google.com",
+ "ownerName": "Google",
+ "icons": {
+  "x16": "http://www.google.com/images/icons/product/search-16.gif",
+  "x32": "http://www.google.com/images/icons/product/search-32.gif"
+ },
+ "documentationLink": "",
+ "protocol": "rest",
+ "baseUrl": "https://dataflow.googleapis.com/",
+ "basePath": "/",
+ "rootUrl": "https://dataflow.googleapis.com/",
+ "servicePath": "",
+ "batchPath": "batch",
+ "parameters": {
+  "alt": {
+   "type": "string",
+   "description": "Data format for the response.",
+   "default": "json",
+   "enum": [
+    "json"
+   ],
+   "enumDescriptions": [
+    "Responses with Content-Type of application/json"
+   ],
+   "location": "query"
+  },
+  "fields": {
+   "type": "string",
+   "description": "Selector specifying which fields to include in a partial response.",
+   "location": "query"
+  },
+  "key": {
+   "type": "string",
+   "description": "API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.",
+   "location": "query"
+  },
+  "oauth_token": {
+   "type": "string",
+   "description": "OAuth 2.0 token for the current user.",
+   "location": "query"
+  },
+  "prettyPrint": {
+   "type": "boolean",
+   "description": "Returns response with indentations and line breaks.",
+   "default": "true",
+   "location": "query"
+  },
+  "quotaUser": {
+   "type": "string",
+   "description": "Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters. Overrides userIp if both are provided.",
+   "location": "query"
+  },
+  "userIp": {
+   "type": "string",
+   "description": "IP address of the site where the request originates. Use this if you want to enforce per-user limits.",
+   "location": "query"
+  }
+ }
+}