Added experience sampling probe conversion to csv, and database schema
API calls are now logged to audit logger
Merge remote-tracking branch 'origin/devel' into audit
Fixed a bug where questionnaires with no human_readable_question or human_readable_answer would throw an exception
(cherry picked from commit 68b2a08)
Changed the way uniqueness is calculcated. Also fixed a bug where mysql_wrapper wouldn't log correctly.
(cherry picked from commit 58bb014)
Changed logging level to debug.
(cherry picked from commit 6bb82ad)
Added log file for migration
(cherry picked from commit 00b5b26)
Merge branch 'devel' into experience_sampling
Added uniqueness to experience sampling probe (though uniqueness is not really used for now)
Added stub for Facebook friends connections question
added fb deanonymization
added the ego network question
Fixed a bug where timestamp would be ovewritten to null
Added run method for the friends connections question
Changed version and changelog
Merge branch 'devel'

Conflicts:
	CHANGELOG
	VERSION
	sensible_data_service/db_access/PROBE_SETTINGS.py
Merge branch 'devel' into audit
Added API to the audit data. Removed ObjectId field from the audited logs.
Changed version and changelog
Merge branch '0.2.3'

Conflicts:
	CHANGELOG
	VERSION
	sensible_data_service/sensible_audit/audit.py
	sensible_data_service/sensible_audit/urls.py