Merge pull request #77 from hobbyquaker/master

fixed deleteInstance
Merge pull request #78 from hobbyquaker/master

prevent creation of meta objects on instance creation
(Bluefox) upgrade adapter function
Merge pull request #79 from GermanBluefox/master

(Bluefox) upgrade adapter function
added websocket to sources.json
Merge branch 'master' of https://github.com/ioBroker/ioBroker.nodejs
fixed defaultObjs
fixed defaultObjs