added scoped store API

```js
var taskStore = hoodie.store('task');

// type is set to "task" automatically
taskStore.findAll().then( showAllTasks );
taskStore.update('id123', {done: true});
```

* * *

This commit was sponsored by local.ch, Switzerland's official
phonebook directory and kick-ass web & mobile development house.

They are a great place to work in Zurich and they want to hire you:

- Frontend Web Developer: http://go.hood.ie/local-ch-web-developer-gh
- Mobile Engineer: http://go.hood.ie/local-ch-mobile-web-engineer-gh
moved scoped store api into own module.

* * *

This commit was sponsored by local.ch, Switzerland's official
phonebook directory and kick-ass web & mobile development house.

They are a great place to work in Zurich and they want to hire you:

- Frontend Web Developer: http://go.hood.ie/local-ch-web-developer-gh
- Mobile Engineer: http://go.hood.ie/local-ch-mobile-web-engineer-gh
added separate test files for scoped store module

* * *

This commit was sponsored by local.ch, Switzerland's official
phonebook directory and kick-ass web & mobile development house.

They are a great place to work in Zurich and they want to hire you:

- Frontend Web Developer: http://go.hood.ie/local-ch-web-developer-gh
- Mobile Engineer: http://go.hood.ie/local-ch-mobile-web-engineer-gh
build

* * *

This commit was sponsored by local.ch, Switzerland's official
phonebook directory and kick-ass web & mobile development house.

They are a great place to work in Zurich and they want to hire you:

- Frontend Web Developer: http://go.hood.ie/local-ch-web-developer-gh
- Mobile Engineer: http://go.hood.ie/local-ch-mobile-web-engineer-gh
running all the tests again

* * *

This commit was sponsored by local.ch, Switzerland's official
phonebook directory and kick-ass web & mobile development house.

They are a great place to work in Zurich and they want to hire you:

- Frontend Web Developer: http://go.hood.ie/local-ch-web-developer-gh
- Mobile Engineer: http://go.hood.ie/local-ch-mobile-web-engineer-gh
Merge pull request #124 from hoodiehq/v0.4-peanuts-scoped-store

added scoped store