userdata: not crash when used with fake request
fix typo
add: backends on/off switcher

This will add a dropdown menu, which permits to display or not
display data from particular backends.
settings.py - adagios.conf error resilience

Makes adagios more resilient when it is unable
to read adagios.conf
Fix typo in unit test
javascript timed_reload

Not reload immediately when empty value is passed in.

This can happen when there are errors in the user prefrences

Issue #366
fix minot things
fix: when userdata is empty
Merge pull request #365 from matthieucan/feature-backends-switch

Feature backends switch
Code cleanup in status.utils.get_statistics()
Update unittests in bi module