Empty PUT requests for group/containers/collection/user 400s

Tuple is not overindexed when bootstrapping roles

* fix db upgrade #33

* handle missing "analyses" key gracefully

Actions requiring root tag made by root user don't need root tag

Analyses collection

switch to literal 1 as 1st day of month (monthrange[0] is 1st weekday #)

resolv conflict, remove site param from new permchecker, bump db version

Conflicts:
	api/handlers/containerhandler.py

Removal of external site logic