Better defaults for .cgp shaders
Press the update project button for 4.6

So many warnings...
Allow multipass shaders to only apply the NTSC filter
Check if a multipass shader pass actually exists
Hide shaders that begin with '_'
Hide cursor properly when starting in fullscreen with pop-out window. Partial fix for #371
GenPlus: updated to 1.7.3

This adds support for Sega/Mega CD (not yet exposed via system plugin
as we're missing BIOS support in the UI)
Game Scanner restores queue when openemu launches. (Issue #486)
Removed some DLogs.
ThemEngine now supports 'Alternate' and 'No Modifier' keys (only implemented for OEButton).
OEMenu theme definition uses 'Alternate' instead of 'Focused' key.
Added button state to cancel import from game scanner.
Import can be cancelled from game scanner.
Removed some dlogs, improved import cancelling.
Fix #427. Stupid copy + paste error that caused unsaved md5 hashes not to be cleaned up properly.
Fixed 3 issues in ArchiveVG code were wrong arguments were passed to functions.
Removed warnings in theming code by making tracking of modifier activity optional.
Improved memory usage during import.  Possibly related to #464.
Fixes #493.
Fixes #451 by checking for os version at runtime instead of using a compiler macro.