Fixed edit posts
Revert "Fixed edit posts"

This reverts commit 2077adeb614f03e340e5e73e03929cc4a419393e.
Revert "Revert "Fixed edit posts""
Create migration addArtAuthor
This reverts commit c467f0e13582847f4724ae756df077b9025dcd70.
Merge branch 'master' of https://github.com/OlayNick/Blog-on-RoR
Fixed edit posts