add .eggs to git ignore file
add .eggs to git ignore file

Change-Id: Ib06680c0a67a106fb40e290688cb8e57cedeef94

group-policy/rally,amit0701/rally,amit0701/rally,vganapath/rally,group-policy/rally,cernops/rally,go-bears/rally,paboldin/rally,vganapath/rally,eonpatapon/rally,eayunstack/rally,aplanas/rally,yeming233/rally,gluke77/rally,openstack/rally,openstack/rally,gluke77/rally,eayunstack/rally,paboldin/rally,group-policy/rally,go-bears/rally,amit0701/rally,paboldin/rally,vganapath/rally,vganapath/rally,openstack/rally,gluke77/rally,afaheem88/rally,redhat-openstack/rally,eayunstack/rally,openstack/rally,eonpatapon/rally,aforalee/RRally,yeming233/rally,afaheem88/rally,cernops/rally,aforalee/RRally,redhat-openstack/rally,gluke77/rally,aplanas/rally