fix(abide): fix #80

TypeError: Property 'locals' of object #<ServerResponse> is not a function
    at IncomingMessage.locals.setLocale (/mnt/work/PROJECTS/mycoolproject/payment/node_modules/i18n-abide/lib/i18n.js:218:14)
Merge pull request #81 from alexcrack/master

fix(abide): fix #80