merged @carlohamalainen's AAF into develop, fixed some formatting on the way
adds missing packages for AAF
aaf work in progress
aaf refactoring
added auth init
bug fix
bugfixes
enable email addresses as usernames
Fix for bug where concatenating the path_parts list with a directory string
resulted in the directory string being converted into a list of characters,
e.g. ["s","u","b","d","i","r"]
Merge pull request #343 from wettenhj/issue_342

Fix for Issue 342
removed old code to trigger a travis build
Merge pull request #332 from grischa/aaf

AAF authentication
fixed migration clash
Added "facility overview" view, facility attributes to the experiment model and facilities and facility managers to the model.
fixed python docstring
fixed docstring; facility_overview fetches experiments
fixed indentation
used my_data as a base for facility_overview view
allow facility to be null
add migration for experiment facility attribute