Update gemspec to allow for Rails 3.x.x
Update gemspec to allow for Rails 3.x.x
Design-Collective/mailboxer,noafroboy/mailboxer,joshtate04/mailboxer,modsaid/mailboxer,untitledstartup/mailboxer,t27duck/mailboxer,techstars/mailboxer,psu-stewardship/mailboxer,jason-wang-0401/mailboxer,shekibobo/mailboxer,afalone/mailboxer,roomaroom/mailboxer,joshtate04/mailboxer,mattherick/mailboxer,modsaid/mailboxer,sai43/mailboxer,jarkadlec/mailboxer,sai43/mailboxer,netbrick/mailboxer,cantonyselim/mailboxer,chepri/mailboxer,mattherick/mailboxer,untitledstartup/mailboxer,chepri/mailboxer,netbrick/mailboxer,lacco/mailboxer,Design-Collective/mailboxer,noafroboy/mailboxer,cantonyselim/mailboxer,crowdvn/mailboxer,shekibobo/mailboxer,div/mailboxer,roomaroom/mailboxer,Groovej/mailboxer,Groovej/mailboxer,t27duck/mailboxer,jarkadlec/mailboxer,jason-wang-0401/mailboxer,mailboxer/mailboxer,mailboxer/mailboxer,lacco/mailboxer,WeConnect/mailboxer