becyn/NZK — Issue #2: URLを叩くとつぶやきを返す！
Author: asonas
Created: 2011-11-26 08:21:43+00:00
State: open

/tweet/:hash_tag
ハッシュタグに対応するつぶやき全部をjsonを返す
```javascript
“tweets”: [
{
"id": "12345",
"name": "asonas",
"text": "hoge",
"icon_url": "http://foobarbaz/",
“timestamp”: “2011-11-11T12:34:56+09:00”,
"photo_url": null
},
{
"id": "67890",
"name": "becyn",
"text": "piyo",
"icon_url": "http://foobarbaz/",
“timestamp”: “2011-11-11T12:34:56+09:00”,
"photo_url": "http://hogehoge.com/photo/...."
},
…
]
```
みたいな。