Make recurring-event tests tolerant to dailight savings time

Fix assertion condition in InlineQ (Fixes #609)

Fix case when email suffix match but need approval.
close #608 

Fixed #610.
close #610

Update djangosaml2 to address CVE-2017-1000246 (closes #598)

This reverts commit 84a6428e.

Fix failed creation of recurring events without ordinal for non-English langs
closed #603 

Admin users should be trusted to access (potentially modify) all users.
closed #599 

Fix validation check for duplicate (kind, no-ordinal) events

Fix django dep spec in setup.py

Validate Event.kind
closed #583

Pin kombu to compatible release