input: http://localhost:8080/search_date?date=13.03.2014
output:
{"id":1,"result":[
{"liike":"Kyykky","toistot":"10","painot":40},
{"liike":"Penkkipunnerrus","toistot":"16","painot":87},
{"liike":"Penkkipunnerrus","toistot":"10","painot":50}
]}
added: getter / setter for array query