Adding Question and Answer models, controllers, specs, admin resources, and views.
read API operational
config Question and Answer params for ActiveAdmin
Cleaned up Q&A controllers, no ivars, no web ui, using jbuilder partials
generated specs for Q&A controllers
prevent Rails exception when record not found
fixed incorrect json key for answers jbuilder template
Cleaned up files not meant for this PR
update fixtures for The Big Refactor
Cleaned up app/admin
cleaned up controllers
cleaned up models
cleaned up helpers
cleaned up views
updated db schema
cleaned up controller specs
cleaned up feature specs
cleaned up factory specs
deleted old helper specs
cleaned up model specs