Shading bgpath strings

The backend returns bgpath attributes as strings, so this PR fixes spec.json and housing.js to comply.
Good point. 



—
Reginald Pierce 
pierce.reginald@gmail.com

On Wed, Nov 19, 2014 at 2:32 PM, Greg Daneault <notifications@github.com>
wrote:

>> @@ -284,50 +284,50 @@ housing.style = {
>>      },
>>      bgpath: function(d) {
>>          switch(d.bgpath) {
>> -            case 0:
> I feel like this whole thing is a perfect use case for an array or an object (eg:
> paths = {
> "0": "M26,50 v-75  h-52  v75  Z",
> "1": ...
> }
> return paths[d.bgpath];
> ---
> Reply to this email directly or view it on GitHub:
> https://github.com/RITHonorsTechCommittee/honors-d3-housing/pull/43/files#r20600734