Add config.project to changelog rake task
Add config.project to changelog rake task

This is needed since
https://github.com/skywinder/github-changelog-generator/pull/451 was
merged.

voxpupuli/modulesync_config,puppet-community/modulesync_config,voxpupuli/modulesync_config,voxpupuli/modulesync_config,voxpupuli/modulesync_config,dhoppe/modulesync_config,dhoppe/modulesync_config,dhoppe/modulesync_config,dhoppe/modulesync_config