Allow specifying :issue: in rst
Allow specifying :issue: in rst

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