Add appveyor.yml

appveyor.yml

@@ -0,0 +1,13 @@
+version: "{build}"
+
+clone_folder: c:\gopath\src\github.com\gogits\gogs
+
+environment:
+  GOPATH: c:\gopath
+  GOVERSION: 1.7
+
+build: false
+deploy: false
+
+test_script:
+  - go test -v -cover -race ./...