Link custom app.ini to /etc/gogs/
Fix .pkgr.yml
Merge pull request #638 from pkgr/pkgr

Fix packages generated on packager.io
Make postinstall work for CentOS/RHEL packages as well.
Merge pull request #639 from pkgr/pkgr

Make postinstall work for CentOS/RHEL packages as well.
Merge https://github.com/gogits/gogs