Update questions_controller.rb

remove login_required for question_show
Sprint-52 SAT-1188
Sprint-52 contact-buttons
set breadcrumbs
toshow comments
sprint-52 SAT-1176
sprint-52 questions comments
Merge branch 'master' of github.com:DinshawRaje/satudunia
Sprint-52 SAT-1138,1150,1151,1157
Merge branch 'master' of github.com:DinshawRaje/satudunia
Merge branch 'master' of github.com:Cis-Madhusudhan/satudunia
sprint-52[SAT-1186]Route model