Merge pull request #46 from vader722/master

Github Probleme hoffentlich gelöst ;)
- SayIT adapter: Support volume for system
- CCU.IO: execScript - required for Browse function (Sonos, LGTV)
- Shift firstId for LG Tv, because of conflict with LIRC
- Fix small errors for browser function (LG TV and Sonos)
- Add disk usage to RPi Adapter (only for "/")
added missing module for adapter graphite
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of https://github.com/GermanBluefox/ccu.io
updated version and readme
- Fix error with volume for SayIt adapter.
bugfix rega.js on post request errors
bugfix saving of persistent objects and datapoints
log message reformat
Merge branch 'master' of https://github.com/GermanBluefox/ccu.io
updated version and readme
Adapter DWD Settings: Auswahl Dienstelle/Bundesland über Dropdown
bugfixes, hex-conversion, same format as in irtrans adapter (remote,button,repeat)
reconnect to lirc on connection loss
neuer adapter: telnet-client
neuer adapter: telnet-client