Import howett.net/plist by its correct name

Also bumping the version to one with a go.mod.

vendor/howett.net/plist/.gitlab-ci.yml

@@ -0,0 +1,39 @@
+image: golang:alpine
+stages:
+    - test
+
+variables:
+    GO_PACKAGE: "howett.net/plist"
+
+before_script:
+    - "mkdir -p $(dirname $GOPATH/src/$GO_PACKAGE)"
+    - "ln -s $(pwd) $GOPATH/src/$GO_PACKAGE"
+    - "cd $GOPATH/src/$GO_PACKAGE"
+
+.template:go-test: &template-go-test
+    stage: test
+    script:
+        - go test
+
+go-test-cover:latest:
+    stage: test
+    script:
+        - go test -v -cover
+    coverage: '/^coverage: \d+\.\d+/'
+
+go-test-appengine:latest:
+    stage: test
+    script:
+        - go test -tags appengine
+
+go-test:1.6:
+    <<: *template-go-test
+    image: golang:1.6-alpine
+
+go-test:1.4:
+    <<: *template-go-test
+    image: golang:1.4-alpine
+
+go-test:1.2:
+    <<: *template-go-test
+    image: golang:1.2