update travis

.travis.yml

@@ -2,6 +2,9 @@ language: go
 go:
 - tip
 sudo: false
+matrix:
+  allow_failures:
+    - install: go get -u -v $(go list -f '{{join .Imports "\n"}}' ./... | sort | uniq | grep -v caddy-hugo)
 install:
 - go generate
 - go get -u -v $(go list -f '{{join .Imports "\n"}}' ./... | sort | uniq | grep -v caddy-hugo)
@@ -10,4 +13,4 @@ install:
 - go install github.com/caddyserver/caddydev
 script:
 - sed -i 's/\_ \"github.com\/mholt\/caddy\/caddyhttp\"/\_ \"github.com\/mholt\/caddy\/caddyhttp\"\n\_ \"github.com\/hacdias\/caddy-hugo\"/g' $GOPATH/src/github.com/mholt/caddy/caddy/caddymain/run.go
-- go build github.com/mholt/caddy/caddy
+- go build github.com/mholt/caddy/caddy