ci: modernize

.travis.yml

 sudo: false
 
+
 language: go
 go:
-  - 1.9
-  
-install:
-  - go get github.com/whyrusleeping/gx
-  - go get github.com/whyrusleeping/gx-go
+  - 1.11.x
+
+before_install:
+  - make deps
+
 script:
-  - make test
-  
+  - bash <(curl -s https://raw.githubusercontent.com/ipfs/ci-helpers/master/travis-ci/run-standard-tests.sh)
+
 after_success:
   - bash <(curl -s https://codecov.io/bash)
 
@@ -18,4 +19,4 @@ cache:
     - $GOPATH/src/gx
 
 notifications:
-email: false
+  email: false

Makefile

-all: deps
 gx:
 	go get github.com/whyrusleeping/gx
 	go get github.com/whyrusleeping/gx-go
-deps: gx 
+
+deps: gx
 	gx --verbose install --global
 	gx-go rewrite
-test: deps
-	gx test -v -race -coverprofile=coverage.txt -covermode=atomic .
-rw:
-	gx-go rewrite
-rwundo:
-	gx-go rewrite --undo
-publish: rwundo
-	gx publish
-.PHONY: all gx deps test rw rwundo publish
 
+publish:
+	gx-go rewrite --undo