Update to data, disable district level rendering.
Temporarily remove explore button
Treatment centers appear on Zoom level 7
adjusting header to match ebola-portal
fixes aggregation for countries
Merge branch 'sep25' of https://github.com/who-ocr/ebola-data into sep25

* 'sep25' of https://github.com/who-ocr/ebola-data:
  adjusting header to match ebola-portal
Merge pull request #15 from who-ocr/sep25

Update to data, disable district level rendering.