API call responses should terminate with a newline character

[cronicc]

Currently:

curl -X POST "http://$IP:9085/wallet/allBoxes" -H "accept: application/json"
{
  "result" : {
    "boxes" : [ ]
  }
}user@host:~$

Better:

curl -X POST "http://$IP:9085/wallet/allBoxes" -H "accept: application/json"
{
  "result" : {
    "boxes" : [ ]
  }
}
user@host:~$