use warning box to warn of loss of users' data
merge dev_4_4 -D org -I include -E exclude: PR 478 (Fix Java code examples)
merge dev_4_4 -D org -I include -E exclude: PR 480 (Script sample gh 470)
merge dev_4_4 -D org -I include -E exclude: PR 484 (put permissions warning into a proper warning box)