fix test_paid_app_region_mgmt_cmd test
fix test_admin_can_blocklist test
fix test_create_blocklisted_version test
fix lib.crypo.tests:TestPackaged tests
fix the user's saved lang, regardless of cookie status (bug 865604)
compile
persist the user's language in the API
persist the user's language in the API for SharedSecret
fix api tests
Search & Reviewer Search API cleanup and documentation (bug 899232)
keep track of users who have read a note (bug 885400)
allow marking notes/thread as read (bug 897265)