Update dependencies

.travis.yml

vendor/github.com/aws/aws-sdk-go/aws/version.go

vendor/github.com/go-ini/ini/ini.go

vendor/github.com/go-ini/ini/struct.go

vendor/github.com/golang/protobuf/proto/equal.go

vendor/github.com/golang/protobuf/proto/properties.go

vendor/github.com/golang/protobuf/proto/text_parser.go

vendor/github.com/google/go-github/github/gists.go

vendor/github.com/google/go-github/github/search.go

vendor/github.com/gorilla/csrf/doc.go

vendor/github.com/gorilla/mux/mux.go

vendor/github.com/gorilla/mux/regexp.go

vendor/github.com/gorilla/mux/route.go

vendor/github.com/hashicorp/hcl/README.md

vendor/github.com/hashicorp/hcl/hcl/ast/ast.go

vendor/github.com/hashicorp/hcl/hcl/scanner/scanner.go

vendor/github.com/hashicorp/hcl/json/scanner/scanner.go

vendor/github.com/sid77/drop/README.md

vendor/github.com/spf13/viper/README.md

vendor/golang.org/x/net/http2/go17_not18.go