Gracefully handle tag-less manage tags page (fixes GH-535)
Gracefully handle tag-less manage tags page (fixes GH-535)

kevinlondon/sentry,TedaLIEz/sentry,chayapan/django-sentry,chayapan/django-sentry,korealerts1/sentry,mvaled/sentry,JamesMura/sentry,daevaorn/sentry,JTCunning/sentry,beni55/sentry,felixbuenemann/sentry,pauloschilling/sentry,SilentCircle/sentry,BayanGroup/sentry,jokey2k/sentry,JackDanger/sentry,fotinakis/sentry,looker/sentry,vperron/sentry,wujuguang/sentry,rdio/sentry,llonchj/sentry,camilonova/sentry,kevinastone/sentry,JamesMura/sentry,NickPresta/sentry,beni55/sentry,alexm92/sentry,gg7/sentry,BayanGroup/sentry,kevinastone/sentry,daevaorn/sentry,ngonzalvez/sentry,alex/sentry,mvaled/sentry,mvaled/sentry,ngonzalvez/sentry,ifduyue/sentry,beeftornado/sentry,BuildingLink/sentry,argonemyth/sentry,drcapulet/sentry,ifduyue/sentry,mvaled/sentry,pauloschilling/sentry,felixbuenemann/sentry,zenefits/sentry,ewdurbin/sentry,BuildingLink/sentry,Kryz/sentry,beeftornado/sentry,zenefits/sentry,BuildingLink/sentry,gg7/sentry,mvaled/sentry,imankulov/sentry,looker/sentry,NickPresta/sentry,zenefits/sentry,wujuguang/sentry,gencer/sentry,alex/sentry,hongliang5623/sentry,felixbuenemann/sentry,zenefits/sentry,wong2/sentry,gencer/sentry,kevinlondon/sentry,ewdurbin/sentry,Natim/sentry,BuildingLink/sentry,zenefits/sentry,beni55/sentry,rdio/sentry,JamesMura/sentry,jean/sentry,chayapan/django-sentry,nicholasserra/sentry,SilentCircle/sentry,korealerts1/sentry,NickPresta/sentry,ifduyue/sentry,llonchj/sentry,camilonova/sentry,songyi199111/sentry,Natim/sentry,hongliang5623/sentry,Kryz/sentry,boneyao/sentry,fuziontech/sentry,fotinakis/sentry,1tush/sentry,ngonzalvez/sentry,boneyao/sentry,alexm92/sentry,JackDanger/sentry,imankulov/sentry,kevinastone/sentry,beeftornado/sentry,NickPresta/sentry,wong2/sentry,hongliang5623/sentry,Kryz/sentry,fuziontech/sentry,gencer/sentry,fuziontech/sentry,daevaorn/sentry,ifduyue/sentry,vperron/sentry,boneyao/sentry,gg7/sentry,TedaLIEz/sentry,Natim/sentry,looker/sentry,JTCunning/sentry,rdio/sentry,BuildingLink/sentry,1tush/sentry,jokey2k/sentry,jean/sentry,gencer/sentry,mitsuhiko/sentry,JamesMura/sentry,imankulov/sentry,kevinlondon/sentry,1tush/sentry,camilonova/sentry,songyi199111/sentry,mitsuhiko/sentry,ewdurbin/sentry,looker/sentry,wujuguang/sentry,drcapulet/sentry,daevaorn/sentry,vperron/sentry,korealerts1/sentry,songyi199111/sentry,llonchj/sentry,BayanGroup/sentry,alex/sentry,nicholasserra/sentry,jokey2k/sentry,jean/sentry,looker/sentry,JamesMura/sentry,fotinakis/sentry,argonemyth/sentry,argonemyth/sentry,alexm92/sentry,wong2/sentry,ifduyue/sentry,SilentCircle/sentry,nicholasserra/sentry,JTCunning/sentry,rdio/sentry,drcapulet/sentry,pauloschilling/sentry,jean/sentry,fotinakis/sentry,TedaLIEz/sentry,JackDanger/sentry,SilentCircle/sentry,jean/sentry,mvaled/sentry,gencer/sentry