## Link to GitHub Issue, if one exists
n/a
## Description of change
Use fmt library for formatting time
Round down sub-second units so that the FPS counter only updates once
per second (instead of Time and Uptime ticking independently)
clean up usage of `localtime` in `logging.cpp`
## Link to GitHub Issue, if one exists
#477
## Description of change
Add a new option for scaling the overlay.
Gitadora Arena will receive 250% by default.
Various overlay windows have been updated to scale properly, not perfect
but they are at least usable.
## Link to GitHub Issue, if one exists
n/a
## Description of change
Change the dark brown colors used in widget backgrounds to dark gray.
Decrease the in-game overlay transparency (more opaque): 80% -> 96%.
## Testing
Tested cfg and in-game overlay.
bicarus