all: port to a Go module

.travis.yml

@@ -5,3 +5,13 @@ go:
   - 1.10.x
 
 go_import_path: mvdan.cc/fdroidcl
+
+env:
+  - GO11MODULE=on
+
+install: true
+
+script:
+  - go get -t -d ./...
+  - go build ./...
+  - go test ./...

go.mod

@@ -0,0 +1,3 @@
+module mvdan.cc/fdroidcl
+
+require github.com/kr/pretty v0.1.0

go.sum

@@ -0,0 +1,5 @@
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=