added create method for questions - now logged in users can post questions
Deleted private method for question_params - not necessary if there's just a form_tag
added form to questions view
Deleted form from the questions show view because...it should be in the new view
added a show view for questions so that users can see a page for a specific question
added @question instance variable to new method for questions controller
added a private method called question_params
changed form_tag to create new question to form_for
changed link for 'ask a question'
Changed index.html so that user cannot ask a question if they're not logged in
Added 'show' view for the questions
Merge pull request #1 from kbasma/katia_trying_to_fix_shit

Katia trying to fix shit