Add AMI IDs for Graylog 1.1.5 and 1.1.6
Add AMI IDs for Graylog 1.1.5 and 1.1.6

sekka1/graylog2-images,kolomiichenko/graylog2-images,Graylog2/graylog2-images,ojengwa/graylog2-images,danucalovj/graylog2-images,Graylog2/graylog2-images,hitmaker/graylog2-images,kolomiichenko/graylog2-images,hitmaker/graylog2-images,ojengwa/graylog2-images,sekka1/graylog2-images,danucalovj/graylog2-images