switched to codecov

.gitignore

@@ -0,0 +1 @@
+.vscode/

.travis.yml

@@ -14,7 +14,10 @@ before_install:
 
 script:
   - go vet
-  - $GOPATH/bin/goveralls -service="travis-ci"
+  - go test -race -coverprofile=coverage.txt -covermode=atomic
+
+after_success:
+    - bash <(curl -s https://codecov.io/bash)
 
 cache:
     directories:

Makefile

@@ -3,7 +3,6 @@ gx:
 	go get github.com/whyrusleeping/gx-go
 
 covertools:
-	go get github.com/mattn/goveralls
 	go get golang.org/x/tools/cmd/cover
 
 deps: gx covertools