removed logging
add poster image
Merge branch 'develop' of https://github.com/koemei/koemei-widget into develop

# By Renato S. Martins (1) and others
# Via Renato S. Martins (1) and Tuhin Chakraborty (1)
* 'develop' of https://github.com/koemei/koemei-widget:
  Code cleanup
  fix missing icons
  add new captions