Add ec2:DescribeTags permission
Add ec2:DescribeTags permission

Fixes #251

tinnightcap/nubis-consul,limed/nubis-consul,tinnightcap/nubis-consul,Nubisproject/nubis-consul,Nubisproject/nubis-consul,gozer/nubis-consul,gozer/nubis-consul,gozer/nubis-consul,Nubisproject/nubis-consul,limed/nubis-consul