Update to the latest version of the slack_handler cookbook
Update to the latest version of the slack_handler cookbook

mbrukman/rubygems-infrastructure,indirect/rubygems-infrastructure,mbrukman/rubygems-infrastructure,rubygems/rubygems-infrastructure,rubygems/rubygems-infrastructure,indirect/rubygems-infrastructure,indirect/rubygems-infrastructure,mbrukman/rubygems-infrastructure,rubygems/rubygems-infrastructure,rubygems/rubygems-infrastructure,rubygems/rubygems-infrastructure,indirect/rubygems-infrastructure,mbrukman/rubygems-infrastructure