Add helm-go-package recipe

https://github.com/yasuyk/helm-go-package
Merge pull request #867 from yasuyk/helm-go-package

Add helm-go-package recipe
Code has been inlined because there was trouble at installation time, so
no more lib folder.
Merge pull request #868 from ardumont/org-trello-structure-change

org-trello arborescence simplification
Add helm-flymake recipe

https://github.com/tam17aki/helm-flymake