Webaccess: fixed infinity symbol display
Function Manager: it is now possible to set a startup function that is started every time QLC+ switches to operate mode

Function selection dialog now looks like function manager (with categories and folders)
UI: added warning message when fixture definitions are not found during project loading

Commented noisy debug messages
Updated translations
Documentation: improved HTP/LTP explanation (thanks to Michael Clements)

Updated Input/Output plugins doc
Removed output.png icon
Raspberry: allow root user to have its own user directory
VC XY Pad: Fixtures with 8bit pan/tilt changed last channel before the fixture.

Reported by Cingulingu (https://sourceforge.net/p/qlcplus/discussion/general/thread/8e830fd0)
Affected also fixtures that have only pan or only tilt channel.
Fixtures: updated Ledj Colour Storm Quad (thanks to Michael Clements)
Merge branch 'master' of github.com:mcallegari/qlcplus
Added fixture: Venue Scanner 4 (thanks to Davey Daytona)

Added fixture: Stairville MH-X20 (thanks to Kristo)
Engine: if the startup function is a Chaser associated to a Cue List, give it precedence as it has to be run with a CueListRunner
Webaccess: added network configuration and system reboot (RPi only)
Spanish translation
Added Fixture: Showtec Indigo 4600 (Jano Svitok)
Fixed paths in Showtec ZIPP
Fix heads for American DJ Mega Tri Bar and Showtec Sunstrip Active
Add type to Fixtures overview
Webaccess: fixed behaviour of buttons in solo frames, fixed crash when websocket connection is not set

Added input profile: KORG nano PAD (thanks to Alessandro Grechi)
Webaccess: added code to set an autostart project (Raspberry only)
Virtual Console: multipage frames input associations are now contextual
Enforce not supported simultaneous audio
Function selection: do not show "none" entry if not necessary