COOK-1745 Adding default value of nil for the rubyzipversion attribute
COOK-1745 Adding default value of nil for the rubyzipversion attribute

jboeshart/windows,grossadamm/windows,daptiv/windows,wildbillcat-cookbooks/windows,urban-institute/windows,chef-cookbooks/windows,Chhed13/windows,hw-cookbooks/windows,ProTip/windows,rlaveycal/windows,criteo-forks/windows,ProTip/protip_windows,SimpleFinance/chef-windows,mrwizard82d1/windows,L2G/windows,mattoa/windows,Nordstrom/windows,GannettDigital/chef-windows,ruicovelo/windows,biola/windows_cookbook,opscode-cookbooks/windows,fwiesel/windows,stuartpreston/windows,shoekstra/chef-windows,juliandunn/windows,sponte/windows,protec-cookbooks/windows,modulexcite/windows,lynx44/windows_cookbook,tophercullen/windows,devnuller/windows,blairham/windows-cookbook,pinkieee/windows,RobertRehberg/windows,graf0/windows,Youscribe/windows,kanerogers/windows,simplyadrian/windows,spuder/windows,hh/windows,autoclone/windows