adds system status link to 404 page
adds system status link to 404 page

apercas/gfw,codeminery/gfw,codeminery/gfw,KarlaRenschler/gfw,apercas/gfw,apercas/gfw,codeminery/gfw,KarlaRenschler/gfw,KarlaRenschler/gfw,apercas/gfw,cciciarelli8/gfw,cciciarelli8/gfw,Vizzuality/gfw,Vizzuality/gfw,KarlaRenschler/gfw,codeminery/gfw