Use Go1.11 module (#5743)

* Migrate to go modules

* make vendor

* Update mvdan.cc/xurls

* make vendor

* Update code.gitea.io/git

* make fmt-check

* Update github.com/go-sql-driver/mysql

* make vendor

vendor/github.com/go-macaron/cache/.gitignore

@@ -0,0 +1,3 @@
+nodb/cache
+ledis/tmp.db/
+nodb/tmp.db/

vendor/github.com/go-macaron/cache/.travis.yml

@@ -0,0 +1,14 @@
+sudo: false
+language: go
+
+go:
+  - 1.3
+  - 1.4
+  - 1.5
+  - tip
+
+script: go test -v -cover -race
+
+notifications:
+  email:
+    - u@gogs.io

vendor/github.com/go-macaron/cache/README.md

@@ -0,0 +1,20 @@
+# cache [![Build Status](https://travis-ci.org/go-macaron/cache.svg?branch=master)](https://travis-ci.org/go-macaron/cache) [![](http://gocover.io/_badge/github.com/go-macaron/cache)](http://gocover.io/github.com/go-macaron/cache)
+
+Middleware cache provides cache management for [Macaron](https://github.com/go-macaron/macaron). It can use many cache adapters, including memory, file, Redis, Memcache, PostgreSQL, MySQL, Ledis and Nodb.
+
+### Installation
+
+	go get github.com/go-macaron/cache
+
+## Getting Help
+
+- [API Reference](https://gowalker.org/github.com/go-macaron/cache)
+- [Documentation](http://go-macaron.com/docs/middlewares/cache)
+
+## Credits
+
+This package is a modified version of [beego/cache](https://github.com/astaxie/beego/tree/master/cache).
+
+## License
+
+This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text.

vendor/github.com/go-macaron/cache/memcache/memcache.goconvey

@@ -0,0 +1 @@
+ignore

vendor/github.com/go-macaron/cache/redis/redis.goconvey

@@ -0,0 +1 @@
+ignore