Merge tag '1.3.0' into develop

1.3.0
Added Roadmap
moved broadcasting functions to lib/deco.js
added rooms for every incoming socket. the room is the address reported
by socket.io. This way every screen on the same lan or behing the same proxy will show the same slideshow
added changelog
Merge branch 'feature/samelan' into develop
added check for IP address behin proxy or reverse proxy
Merge branch 'release/1.3.1'
Merge tag '1.3.1' into develop

fixed ip address recognition
hotfix for isPrivate usage
Merge branch 'release/1.3.2'
Merge tag '1.3.2' into develop

v1.3.2
addedd screenfull and onload request of fullscreen
added fullscreen toggle on click
Merge branch 'feature/fullscreen' into develop
updated changelog
- Added tag search function
- Added options modal
- added option delay for interval
- the modal closes on submit
Merge branch 'release/1.4.0'