Fix BBox filter

Use these parameters to filter by bbox:

fq:
{!frange l=0 incl=false cache=false}$intx

intx:
product(max(0,sub(min(180,MaxX),max(-180,MinX))),max(0,sub(min(41.902277040963,MaxY),max(-86.30131338825,MinY))))
Change Bounding Box query
Merge pull request #62 from juanluisrp/geographic-query

Geographic query