Issue #2278083: fixed randomized questions not building index correctly. renumber the array so things like quiz_is_last_question work.
Issue #2269219: revamped question and quiz feedback options
Issue #2287915: wrong filter format on quiz_question_bank
add missing defaults to not null fields
Fixed issues when a user with "administer nodes" or some other permission that is not explicitly "create quiz content" is not granted the ability to edit scale collections or browse for question terms. Use node_access instead.