get rid of boy girl ratio secondary school in mdg maps because @sherpashaky sais it doesnt have complete data
closes #150, follow what it says on the old site
closes #143, minor wording
closes #144, change the baseline description to a long line with links
minor fix
closes #147, filter indicator to all the displaying indicators in facilities_view
change allowed to relevant, duh
change - to NA for all the null values
closes #146, fixes number 4 re: owner_manager
Merge branch 'master' into mopupmon
Updates to mapupmon

- Faster loading
- Loads Health & Education data from FormHub
- Separate LGA page with Newly collected facilities & Facilities with
incorrect ID