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/lafriks/xormstore/.travis.yml

@@ -0,0 +1,19 @@
+sudo: required
+services:
+  - docker
+
+branches:
+  only:
+  - master
+
+language: go
+go:
+  - "tip"
+  - "1.8"
+  - "1.9"
+  - "1.10"
+
+script: ./test
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)