Add the gitter chat link to the readme
Add the gitter chat link to the readme

mkristian/Hermann,zendesk/Hermann,zendesk/Hermann,rtyler/Hermann,lookout/hermann,reiseburo/hermann,zendesk/Hermann,mkristian/Hermann,reiseburo/hermann,lookout/hermann,mkristian/Hermann,reiseburo/hermann,rtyler/Hermann,braintree/hermann,rtyler/Hermann,lookout/hermann,braintree/hermann,braintree/hermann