v0.10.0rc3

Festivals - Headliners Playtest

[b]Highlights[/b] [list] [*] Add new picnic table models [*] Require construction to be performed on networks / fences [/list] [b]Other Updates[/b] [list] [*] Allow performances with missing performer groups to get to the finished state anyway [*] Set proper seating positions on picnic tables [*] Attempt to fix simulation bug where visitors switch between activities far too quickly [*] Fix minor bugs in infopanel [*] Minor improvements to loader / tips [*] Render notification when (tutorial) scenario objective is completed [*] Fix bug where selection wouldn't work upon game start [*] Set of styling updates [/list]