start creating scheme for data api
add location and physact models.  start etl script.
add tree-walking function. add location and physcat models.
update docs. add health resource tree
add query param handling
add beginning of physact models
add beginnings of sleep etl scripts
implement beginnings of data elt source-integration process.  make locations GeoPointFields, add order_by and limit query capability
add license
modify license
add nutrition model
create beginning of etl script for nutrition.  modify flickr mixin.
finish sleep etl.  add to nutrition models
add sr25 models
add janky query app. refactor api handler. close 6