editorconfig-core-go made breaking api changes and has recently released
v2.1.1. This change consumes the new api and fixes up any breaking
references.

* deps: Upgrade gopkg.in/editorconfig/editorconfig-core-go.v1 from 1.2.0 to 1.3.0

* deps: vendor updates

* 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

* Update makefile to use dep

* Migrate to dep

* Fix some deps

* Try to find a better version for golang.org/x/net

* Try to find a better version for golang.org/x/oauth2