angular/angular.js — pull request #5885 by guanbo (2014-01-19 13:26:19+00:00)
Title: Fixed: format multilevel json to querystring correctly

Consider follow json convert to http query string
```json
{
"$or": [
{
"username": {
"$regex": "admin"
},
"name": {
"$regex": "admin"
}
}
],
"limit": 10,
"page": 1,
"status": {
"$ne": "removed"
}
}

```

TO Query String
```
GET /users?status%5B$ne%5D=removed&$or%5B0%5D%5Busername%5D%5B$regex%5D=ad&$or%5B1%5D%5Bname%5D%5B$regex%5D=admin
```

So, we can query mongo directly from angular.js

has rebase on 1.2.9