Plugin Release for SmartHomeNG Release v1.4.1

Merge branch 'rc_v1.4.1'

* rc_v1.4.1:
  backend: Adjusted version number
  Updated README
  Documentation changes
  Added functions for Pioneer
  mail: Added some gmail support
  Backend: Filtered out loggers, if they only have a NullHandler; extended display of shNG version
  Auto-fix incorrect config, added two more commands for Pioneer
  Backend: Basic editing functionallity for items of type list and dict; display of filename that the item is defiined in (for user items)
  fix missing tzinfo with sunrise/sunset times
  Fixed standard ignore responses in yaml
  Fixed debug levels, updated config files and readme, added example item files