moving babel and gulp into dev deps
moving babel and gulp into dev deps

mbbroberg/slackin,TechnologyMasters/technologymasters.herokuapp.com,Ineeza/luka_ineeza_slakin,TechnologyMasters/technologymasters.herokuapp.com,TibiaPF/slackin,ouluwebdev/slackin,Ineeza/luka_ineeza_slakin,lemonlabsuk/slack-invite-page,Code-T/slackin,TibiaPF/slackin,Venpath/slackin,ouluwebdev/slackin,mbbroberg/slackin,rauchg/slackin,Milwaukee-Slack/Milwaukee-Slack-Invite-Website,thanosIrodotou/slackin,edorgeville/slackin-fr,devopsnz/slackin,thanosIrodotou/slackin,avaclancheuk/slackin,Milwaukee-Slack/Milwaukee-Slack-Invite-Website,devopsnz/slackin,rauchg/slackin,thanosIrodotou/slackin,szkl/slackin,avaclancheuk/slackin,Code-T/slackin,lemonlabsuk/slack-invite-page,szkl/slackin,edorgeville/slackin-fr,Venpath/slackin