Add support for Latitude-Longitude filter.
Add support for Latitude-Longitude filter.
Merge branch 'latitude-longitude-filter' of github.com:pablin87/rtbkit into latitude-longitude-filter
Move priority of latlongfilter to priority.h.
Add small optimization to Lat/Long device filter.

This improves time when configurations has not the mentioned filter
set.
Merge pull request #209 from pablin87/latitude-longitude-filter

Latitude longitude filter