Fixed problem with role's migration
Improved checkpoint's functionality
Webusers migration tweak
Bugfix
Check if username lenght is lower than 128
added global-stats
Changed is_staff and is_superuser to false for ilsgateway webusers
Moved views from core to custom module
Merge branch 'master' into ilsgateway-bugs

Conflicts:
	corehq/apps/commtrack/views.py
update submodules
Correct invitation text to refer to project space rather than domain
Merge pull request #4387 from dimagi/invitation-email-text

Correct invitation text to refer to project space rather than domain
Merge pull request #4300 from lwyszomi/ilsgateway-bugs

Ilsgateway bugs
Merge remote-tracking branch 'origin/archive-products+explicit_case_processing' into autostaging
Merge remote-tracking branch 'origin/explicit_case_processing' into autostaging
Merge branch 'master+schedule' into autostaging
Merge remote-tracking branch 'origin/schedule' into autostaging
Merge remote-tracking branch 'origin/hq-dropdown' into autostaging
Merge remote-tracking branch 'origin/refactor-domain-copy2' into autostaging
Merge branch 'logos' into autostaging