Changing the input query to accommodate metadata

[daviortega]

Changes the way it reads query

before:

let query = [
	{
		pos: [
			{
				resource: 'pfam28',
				feature: 'CheW',
				count: '{2,3}'
			},
			{
				resource: 'fql',
				feature: '$'
			}
		]
	}
]

from now on:
```javascript
let query = [
	{
		rules: [
			{
				pos: [
					{
						resource: 'pfam28',
						feature: 'CheW',
						count: '{2,3}'
					},
					{
						resource: 'fql',
						feature: '$'
					}
				]
			}
		]
	}
]

[coveralls]

Coverage remained the same at 99.089% when pulling 3407792 on develop into 0575e5b on master.