Update ez_setup to latest version to resolve issues with pypi mirrors: chapmanb/bcbio-nextgen#499
Update ez_setup to latest version to resolve issues with pypi mirrors: chapmanb/bcbio-nextgen#499

heuermh/gemini,brentp/gemini,bpow/gemini,xuzetan/gemini,xuzetan/gemini,bgruening/gemini,brentp/gemini,arq5x/gemini,bpow/gemini,bgruening/gemini,xuzetan/gemini,heuermh/gemini,heuermh/gemini,udp3f/gemini,brentp/gemini,bw2/gemini,bw2/gemini,udp3f/gemini,xuzetan/gemini,bgruening/gemini,bw2/gemini,bpow/gemini,arq5x/gemini,brentp/gemini,bpow/gemini,arq5x/gemini,udp3f/gemini,udp3f/gemini,bgruening/gemini,heuermh/gemini,bw2/gemini,arq5x/gemini