Move report, section and narrative models to mongo
Drop mongodb database between tests
Test for nesting sections in reports
Create section model test
Narrative controller and tests
Report controller and tests
Beterer test names for reports
Section controller and tests
Visualisation controller and tests
Fix indicator lists
Indicator controller, API and tests
Use references for all section children
Users management uses mongoose
Test saving nested indicators, narratives, visualisations
Section#show returns nested models
Test updating section child
Can add new sections to reports
Use correct update mongo API
Use correct mongo update API syntax
Use correct params for section nested controllers