larivierec: Support cors-allow-origin with multiple origins

JobBuild
7614
11-02 18:25
pull-ingress-nginx-boilerplate 1455601904385003520
pull-ingress-nginx-codegen 1455601904418557952
pull-ingress-nginx-gofmt 1455601904447918080
pull-ingress-nginx-golint 1455601904477278208
pull-ingress-nginx-test 1455601904510832640