don't error on empty commit feeds
don't error on empty commit feeds

Gitorious-backup/samgranieris-clone,feniix/gitorious,deld/gitorious,Gitorious-backup/base_uri-fixes,gitorious/mainline,water/mainline,fcoury/gitorious,Gitorious-backup/base_uri-fixes,crazycode/gitorious,tigefa4u/gitorious-mainline,vymiheev/Gitorious-OpenStack,almonteb/scoot,vymiheev/Gitorious-OpenStack,water/mainline,Gitorious-backup/krawek-gitorious-clone,gitorious/mainline,tigefa4u/gitorious-mainline,water/mainline,SamuelMoraesF/Gitorious,SamuelMoraesF/Gitorious,spencerwp/mainline,rae/gitorious-mainline,altrair/gitorious-openstack,spencerwp/mainline,ericbutters/eric-gitorious,gitorious/mainline,Gitorious-backup/samgranieris-clone,vymiheev/Gitorious-OpenStack,spencerwp/mainline,Gitorious-backup/franklin-devs-phpbbhub,deld/gitorious,deld/gitorious,gitorious/mainline,Gitorious-backup/yousource,altrair/gitorious-openstack,Gitorious-backup/krawek-gitorious-clone,njall/wel-gitorious,tigefa4u/gitorious-mainline,tigefa4u/gitorious-mainline,Gitorious-backup/franklin-devs-phpbbhub,Gitorious-backup/vsr-mainline,Gitorious-backup/vsr-mainline,adg29/asi.gitorious,gnufied/gitorious,cynipe/gitorious,Gitorious-backup/samgranieris-clone,victori/gitorious-jruby,Gitorious-backup/yousource-features,rae/gitorious-mainline,victori/gitorious-jruby,Gitorious-backup/mainline,Gitorious-backup/franklin-devs-phpbbhub,Gitorious-backup/base_uri-fixes,Gitorious-backup/yousource,grjones/gitorious-submodule-dependencies,almonteb/scoot,Gitorious-backup/vsr-mainline,cynipe/gitorious,rae/gitorious-mainline,fcoury/gitorious,adg29/asi.gitorious,gnufied/gitorious,balcom/gitorious,elcom/gitorious,elcom/gitorious,Gitorious-backup/vsr-mainline,fcoury/gitorious,njall/wel-gitorious,Gitorious-backup/samgranieris-clone,Gitorious-backup/yousource-features,Gitorious-backup/mainline,Gitorious-backup/base_uri-fixes,njall/wel-gitorious,SamuelMoraesF/Gitorious,Gitorious-backup/yousource-features,gnufied/gitorious,ericbutters/eric-gitorious,rae/gitorious-mainline,spencerwp/mainline,almonteb/scoot,Gitorious-backup/mainline,Gitorious-backup/yousource,adg29/asi.gitorious,Gitorious-backup/franklin-devs-phpbbhub,Gitorious-backup/mainline,elcom/gitorious,balcom/gitorious,feniix/gitorious,adg29/asi.gitorious,balcom/gitorious,altrair/gitorious-openstack,crazycode/gitorious,feniix/gitorious,cynipe/gitorious,ericbutters/eric-gitorious,grjones/gitorious-submodule-dependencies,Gitorious-backup/krawek-gitorious-clone,crazycode/gitorious,grjones/gitorious-submodule-dependencies,elcom/gitorious,SamuelMoraesF/Gitorious,Gitorious-backup/yousource-features,Gitorious-backup/yousource,Gitorious-backup/krawek-gitorious-clone,victori/gitorious-jruby