fixes #36
Closes #58, changing the if logic a bit, separating lga changes and facility summary changes
handling layers a little better

and allowing user to reset to nigeria_base_map
cleaning up map layer switcher a little bit
adding padding around map layer header
Merge pull request #61 from modilabs/36_working-legend

36 working legend
confirmed
Merge branch 'master' of github.com:modilabs/nmis into 58_facility_map
Merge pull request #60 from modilabs/58_facility_map

Closes #58, changing the if logic a bit, separating lga changes and faci...
Merge branch 'master' into leaflet
Added layer group to ease managing entire LGAs markers