This adds a Cloze type question to Quiz.

Write a question in the form:

<text> [<answer - will become a blank><|feedback - optional - | is a separator and feedback will popup on click>] <text> ...

feedback can contain a link: [<answer>|see {<url>|more detail}]

Images from the media module are supported.

Security: User input is filtered with 'check_plain'. Question creation relies on text format.