Latest node version installed but still reading old node version, still persists
Following up on issue 204, i get the same error, triggered by 

Error: Homebridge plugins that use the "homebridge-easy-platform" library require your node version to be at least v7.6.0. Current version: v6.12.2
    at Object.<anonymous> (/usr/local/lib/node_modules/homebridge-broadlink-rm/node_modules/homebridge-platform-helper/platform.js:4:48)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/usr/local/lib/node_modules/homebridge-broadlink-rm/node_modules/homebridge-platform-helper/index.js:1:90)
    at Module._compile (module.js:570:32)

Please check, my node -v is
node -v
v8.9.1

nvm list
->       v8.9.1
         system
default -> 8.9.1 (-> v8.9.1)
node -> stable (-> N/A) (default)
unstable -> 8.9 (-> v8.9.1) (default)
iojs -> iojs- (-> N/A) (default)