Create Futuregateway task

1-create-task-curl

## COMMAND
curl -i -H "Content-Type: application/json" -X POST -d '{"application":"2","description":"sayhello@csgfsdk test run", "arguments": ["\"I am saying hello!\""],  "output_files": [{"name":"sayhello.data"}], "input_files": [{"name":"sayhello.sh"},{"name":"sayhello.txt"}]}' http://151.97.41.44:8888/v1.0/tasks?user=user

## EXPECTED OUTPUT
{
    "status": "WAITING",
    "application": "2",
    "date": "2016-11-16T09:28:47Z",
    "description": "sayhello@csgfsdk test run",
    "output_files": [
        {
            "url": "file?path=&name=sayhello.data",
            "name": "sayhello.data"
        },
        {
            "url": "file?path=&name=sayhello.out",
            "name": "sayhello.out"
        },
        {
            "url": "file?path=&name=sayhello.err",
            "name": "sayhello.err"
        }
    ],
    "_links": [
        {
            "href": "/v1.0/tasks/16",
            "rel": "self"
        },
        {
            "href": "/v1.0/tasks/16/input",
            "rel": "input"
        }
    ],
    "user": "user",
    "input_files": [
        {
            "status": "NEEDED",
            "name": "sayhello.sh"
        },
        {
            "status": "NEEDED",
            "name": "sayhello.txt"
        }
    ],
    "id": "16",
    "arguments": [
        "\"I am saying hello!\""
    ]
}