fix brew get_version
fix brew get_version

fixed Has not been recommended link brew package(openssl, readline etc)

chorrell/specinfra,hideyuki/specinfra,stoned/specinfra,aibou/specinfra,minimum2scp/specinfra,chef-partners/specinfra-cisco,sergueik/specinfra,lurdan/specinfra,hfm/specinfra,serverspec/specinfra,winebarrel/specinfra,elibus/specinfra,thenexus6/specinfra,mactkg/specinfra,r7kamura/specinfra,uroesch/specinfra,sorah/specinfra,k0kubun/specinfra,higanworks/specinfra,gh2k/specinfra,skamithi/specinfra,verisign/specinfra,glenux/contrib-specinfra,edolnx/specinfra,miketheman/specinfra,nurse/specinfra,chinthakagodawita/specinfra,pfaffle/specinfra,tacahilo/specinfra,ihassin/specinfra,electrical/specinfra,sean-horn/specinfra,bodgit/specinfra,seroron/specinfra,RoboticCheese/specinfra,stefanhorning/specinfra,mizzy/specinfra