changed authorized users, need to do it properly in devel
removed researcher role logic, not ready yet
support for missing token in databse, better logging
added getting authorization based on device and timestamp
support for failed decryption
Merge branch 'devel' of https://github.com/MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into auditing
	modified:   auditing/caller.py
	modified:   auditing/urls.py
	modified:   utils/helper.py
	modified:   utils/trail.py
	modified:   auditing/urls.py
	modified:   utils/helper.py
	modified:   utils/trail.py
	modified:   auditing/urls.py
	modified:   utils/helper.py
	modified:   utils/trail.py
auditor
caller
settings
urls.py
config
keystore
trail