45 normalization

updates:
* update baseline data with mop_up matching result
* added "%" sign to all percentage variables
* added short_id to nmis data
* put all archived scripts into .tar.gz zip file
* remove unused .ipynb file
* re-arranged data out-put folder in dropbox and deleted old data
* move json_dump from old site to dropbox
* fix unique_lga issue in water_facility_data

To DO:
* adding state level MDG goal to external data, in case we dont have it
* mapping slug_names for snap shot indicators