Added better 404 error page. Now unpublished article cannot be seen by guests
Merge remote-tracking branch 'origin/master' into dont-show-unpublished-articles-for-public

Conflicts:
	app/config/deploy/production.rb
Merge pull request #14 from janimattiellonen/dont-show-unpublished-articles-for-public

Added better 404 error page. Now unpublished article cannot be seen by g...