Fix repository address in README. Also make instructions a bit more clear and correct for starting your own site with a refinery clone from github. Thanks @semenov for pointing out the incorrect repository address.
Fix repository address in README. Also make instructions a bit more clear and correct for starting your own site with a refinery clone from github. Thanks @semenov for pointing out the incorrect repository address.

clanplaid/wow.clanplaid.net,kritik/diamond-tours,mdoyle13/haymarket-ref,captproton/nslc,captproton/fugu,myabc/refinerycms,rafamvc/jobs-refinery,captproton/fugu,johnreilly/johnandkaty,johnreilly/johnandkaty,rafamvc/jobs-refinery,kritik/diamond-tours,mdoyle13/haymarket-ref,myabc/refinerycms,mdoyle13/haymarket-ref,mdoyle13/haymarket-ref,ashrafuzzaman/stips,kritik/portfolio,clanplaid/wow.clanplaid.net,captproton/nslc,ashrafuzzaman/stips,kritik/portfolio