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/markbates/goth/.gitignore

@@ -0,0 +1,30 @@
+*.log
+.DS_Store
+doc
+tmp
+pkg
+*.gem
+*.pid
+coverage
+coverage.data
+build/*
+*.pbxuser
+*.mode1v3
+.svn
+profile
+.console_history
+.sass-cache/*
+.rake_tasks~
+*.log.lck
+solr/
+.jhw-cache/
+jhw.*
+*.sublime*
+node_modules/
+dist/
+generated/
+.vendor/
+*.swp
+.vscode/launch.json
+.vscode/settings.json
+.idea