make date filtering optional
Fixed printing reports in OPM HSR
Restored import and style tweak for Mozilla
#Pathfinder: fixed bindings issues in mcct report
Merge pull request #3643 from lwyszomi/118474-case

Fixed bug in OPM HSR
Merge pull request #3647 from dimagi/datefilter

make date filtering optional on pillow error report
Merge pull request #3649 from kkaczmarczyk/m4change_fix_pag

#Pathfinder: fixed bindings issues in mcct report
Handle unicode characters in slugify site code
Merge remote-tracking branch 'origin/master' into HEAD

Conflicts:
	custom/opm/opm_reports/reports.py
Merge remote-tracking branch 'origin/multimedia-case-properties' into autostaging
Merge remote-tracking branch 'origin/cache-locations' into autostaging
Merge remote-tracking branch 'origin/hq-dropdown' into autostaging
Merge branch 'refactor-domain-copy2' into autostaging
Merge remote-tracking branch 'origin/dynamic-links' into autostaging
Merge remote-tracking branch 'origin/offline-install-multimedia' into autostaging
Merge remote-tracking branch 'origin/logos' into autostaging
Merge branch '109909-case-performance' into autostaging
Merge remote-tracking branch 'origin/log-telerivet-calls' into autostaging
Merge remote-tracking branch 'origin/switch_to_site_code' into autostaging
update submodule refs