Added routes for getting all questions/answers.
Added routes for getting all questions/answers.

andela/kiba-cfh,andela/kiba-cfh,andela/temari-cfh,andela/temari-cfh,andela/kissa-cfh-project,cardsforhumanity/cardsforhumanity,andela/kissa-cfh-project,cardsforhumanity/cardsforhumanity