* test bulk unverified sessions toast behaviour
* unverified sessions toast text tweak
* only show bulk unverified sessions toast when current device is verified
* add Setting for BulkUnverifiedSessionsReminder
* add build config for BulkUnverifiedSessionsReminder
* add more assertions for show/hide toast, fix strict errors
* fix strict error
* add util methods for snoozing in local storage
* rename nag to reminder
* set and read snooze for toast
* test snooze
* remove debug
* strict fix
* remove unused code
Kerry