styles edit question form
Added minor addition to signin logic to protect against nil error from nonexistent user
Merge branch 'master' into styling

Conflicts:
	app/views/questions/show.html.erb
Merge pull request #24 from Cheerazar/styling

styles edit question form
Merge pull request #25 from Cheerazar/user_signin_logic_fix

Added minor addition to signin logic to protect against nil error from n...
added delete routes for answers and questions