Update price and change orderCount calcs.

[calina-c]

Work on #853.

[mihaisc]

Also please add dispensers ( i forgot to mention in the initial issue) . We need to add the dispenser created event and add dispensers{id} in the query. The condition would be something like this if it has a fre the price = fre.price , if it has a dispenser price = 0, if error price =-1

[codeclimate]

Code Climate has analyzed commit 66fb48e and detected 1 issue on this pull request.

Here's the issue category breakdown:

Category	Count
Complexity	1

The test coverage on the diff in this pull request is 95.7% (50% is the threshold).

This pull request will bring the total coverage in the repository to 94.4% (0.2% change).

View more on Code Climate.

[mihaisc]

"Small" change request for this. In the meantime we added support for multiple tokens so we need to change price into an object :

"price": {
      "value" : 33,
      "tokenAddress": "0x0....",
      "tokenSymbol": "ocean"
}

To get this information add to the fixed rate query :

  baseToken
    {
      symbol
      address
    }

[mihaisc]

lgtm