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

Merge pull request beego#3391 from astaxie/develop

V1.11.0

Merge pull request beego#3271 from astaxie/develop

add vendor gopkg.in/yaml.v2

Merge pull request beego#3233 from astaxie/develop

beego 1.10.0

Merge pull request beego#2943 from astaxie/develop

1.9.2

Merge pull request beego#2771 from astaxie/develop

v1.9.0

Merge pull request beego#2651 from astaxie/develop

v1.8.3

Merge pull request beego#2611 from astaxie/develop

1.8.2