Work started on the MPD binding definition
bindings with empty initial config does not allow creation of new items
mpd binding config updated, removed min-max for password
Merge pull request #132 from petrklus/mpd_definition

Mpd definition
Update logic_operation mutation
Add text block
Merge branch 'master' into rules

* master:
  mpd binding config updated, removed min-max for password
  bindings with empty initial config does not allow creation of new items
  Work started on the MPD binding definition