Refactoring to move geo models/levels into api.models.base
Basics to get KE data to work.
Indicate 2009 census
Rename gender to sex to match census terminology
Allow rotating of columns for data import
Raw age data
Age category data
Highest education level
Create index on foreign keys when creating tables
School attendance data
Include indexes on foreign keys
School attendance
Rearrange highest education levels
Strip out some Wazi profile and census stuff