[suggest] Get emr list-clusters --active. (with jq)

[seunggabi]

brew install jq

aws emr list-clusters --active

sh start-collector.sh -m 3             
### Get emr list-clusters --active.
0.0.0.0 emr-test
0.0.0.1 emr-test2
### Start yarn logs collecting from curl.
### HTTP Secure-Mode: 3
### YARN-RM URL: 0.0.0.0
### HTTP Case
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  115k    0  115k    0     0  1900k      0 --:--:-- --:--:-- --:--:-- 2067k
### Yarn Cluter API target: http://0.0.0.0:8088/ws/v1/cluster/apps
### Start yarn logs collecting from curl.
### HTTP Secure-Mode: 3
### YARN-RM URL: 0.0.0.1
### HTTP Case
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 1622k    0 1622k    0     0  11.4M      0 --:--:-- --:--:-- --:--:-- 11.9M
### Yarn Cluter API target: http://0.0.0.1:8088/ws/v1/cluster/apps
### Collecting yarn logs completed.