madVR v0.91.1

* added NGU "low" quality algorithm
* "soften edges" and "add grain" now allow smaller adjustment steps
* fixed: install batch didn't work
* fixed: on some PCs NGU didn't activate
* fixed: on some PCs keyboard shortcuts didn't work
* fixed: NGU grain was static
* "ShowRenderSteps" hack no longer slows down NGU as much as before
* "ShowRenderSteps" hack only slows down stuff as long as the OSD is visible

なお>>447のおま環は解消された模様