Merge pull request beego#4845 from flycash/master

fix bug: etcd should use etcd as adapter name

Merge pull request beego#4769 from flycash/v2.0.2-beta.1

Update change log

Merge pull request beego#4358 from beego/develop

Release 2.0.0

Merge pull request beego#4361 from flycash/develop

update misspell and gofmt

Merge pull request beego#4292 from flycash/develop-2.0

Develop 2.0

Merge pull request beego#4284 from flycash/develop

Upgrade version

Merge pull request beego#4036 from astaxie/develop

V1.12.2

version 1.12.1

Merge pull request beego#3586 from astaxie/develop

V1.12.0

Merge pull request beego#3412 from astaxie/develop

v1.11.1