Update rest_api to reflect new REST call jobs/overview

docs/monitoring/rest_api.md

@@ -56,8 +56,7 @@ Values in angle brackets are variables, for example `http://hostname:8081/jobs/<
   - `/config`
   - `/overview`
   - `/jobs`
-  - `/joboverview/running`
-  - `/joboverview/completed`
+  - `/jobs/overview`
   - `/jobs/<jobid>`
   - `/jobs/<jobid>/vertices`
   - `/jobs/<jobid>/config`
@@ -132,16 +131,15 @@ Sample Result:
 }
 ~~~
 
-**`/joboverview`**
+**`/jobs/overview`**
 
 Jobs, groupes by status, each with a small summary of its status.
 
 Sample Result:
 
 ~~~
 {
-  "running":[],
-  "finished":[
+  "jobs":[
     {
       "jid": "7684be6004e4e955c2a558a9bc463f65",
       "name": "Flink Java Job at Wed Sep 16 18:08:21 CEST 2015",
@@ -168,15 +166,6 @@ Sample Result:
 }
 ~~~
 
-**`/joboverview/running`**
-
-Jobs, grouped by status, each with a small summary of its status. The same as `/joboverview`, but containing only currently running jobs.
-
-**`/joboverview/completed`**
-
-Jobs, grouped by status, each with a small summary of its status. The same as `/joboverview`, but containing only completed (finished, canceled, or failed) jobs.
-
-
 ### Details of a Running or Completed Job
 
 **`/jobs/<jobid>`**