Feature suggest: autoform.options from hashtable

...and now you see cool code:

```
# .coffee
Profiles.attachSchema new SimpleSchema
  gender:
    type: [Number]
    autoform:
      type: "select-checkbox-inline"
      options:
        1: "Woman"
        2: "Man"
```
Merge pull request #517 from comerc/patch-2

Feature suggest: autoform.options from hashtable