include parameters when redirecting back to index from answer#create
comment out code for multiple selection of questions, plus pass new question id in a flash parameter when user creates a new question
If user just created a new question then use that question on index. Also sample questions from author id, and current_user id
Clean up questions new, so only option is to create your own question (removed multiple choice)
Added logic, so if user just answered a question it displays success message
changed buttons