Update the PyYAML version in setup.py to match the version in Fedora20
Update the PyYAML version in setup.py to match the version in Fedora20

1d4Nf6/flocker,jml/flocker,AndyHuu/flocker,hackday-profilers/flocker,Azulinho/flocker,beni55/flocker,adamtheturtle/flocker,runcom/flocker,lukemarsden/flocker,mbrukman/flocker,LaynePeng/flocker,wallnerryan/flocker-profiles,mbrukman/flocker,agonzalezro/flocker,moypray/flocker,AndyHuu/flocker,1d4Nf6/flocker,Azulinho/flocker,jml/flocker,wallnerryan/flocker-profiles,lukemarsden/flocker,LaynePeng/flocker,1d4Nf6/flocker,achanda/flocker,beni55/flocker,hackday-profilers/flocker,w4ngyi/flocker,achanda/flocker,agonzalezro/flocker,hackday-profilers/flocker,agonzalezro/flocker,adamtheturtle/flocker,wallnerryan/flocker-profiles,runcom/flocker,adamtheturtle/flocker,lukemarsden/flocker,mbrukman/flocker,runcom/flocker,achanda/flocker,moypray/flocker,w4ngyi/flocker,AndyHuu/flocker,moypray/flocker,jml/flocker,w4ngyi/flocker,Azulinho/flocker,beni55/flocker,LaynePeng/flocker