Add winston
Rewrite to use winston instead of console.log
Add options
Make winston transports.File configurable
add runtime.log
Made log human readable
Simple profiling of screenshot creation time
Add startup message
Merge branch 'winston-loggin'

* winston-loggin:
  Add startup message
  Simple profiling of screenshot creation time
  Made log human readable
  add runtime.log
  Make winston transports.File configurable
  Add options
  Rewrite to use winston instead of console.log
  Add winston