Run CI using golangci-lint, Go 1.13.10

.golangci.yml

@@ -0,0 +1,21 @@
+run:
+  timeout: 5m
+  linters:
+    enable:
+      - vet
+      - vetshadow
+      - typecheck
+      - deadcode
+      - gocyclo
+      - golint
+      - varcheck
+      - structcheck
+      - maligned
+      - ineffassign
+      - misspell
+      - unparam
+      - goimports
+      - goconst
+      - unconvert
+      - errcheck
+      - interfacer

.travis.yml

@@ -1,9 +1,7 @@
 language: go
 go:
- - 1.10.x
+ - 1.13.10
 install:
- - go get github.com/golang/lint/golint
- - go get github.com/fzipp/gocyclo
- - go get github.com/client9/misspell/...
- - go get github.com/gordonklaus/ineffassign
+ - go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.24.0
+ - go build
 script: ./hooks/pre-commit