bumped verstion to 0.1.5-devel
added support for different collections for special roles
first version of backup module
backup solution for questionnaires connector
Fixes to database population

- Obsolete fields from battery probe removed
- added usernames obtained from Authorization manager
to be revoked
file backup util
Merge branch 'devel' of github.com:MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into devel
Merge branch 'devel' of https://github.com/MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into devel

Conflicts:
	sensible_data_service/connectors/connector_funf/database_single_population.py
Merge branch 'devel' of https://github.com/MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into devel
removed overwriting of username
changed godkende to godkendelse based on @vese suggestion
added backup solution for facebook connector
Merge branch 'devel' of github.com:MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into devel
handling user clicking no on facebook
removed pdb
bumped version to 0.1.6