Commits

• Fix a possible crash on shutdown (Connor McLaughlin)
• Convert to namespace (Connor McLaughlin)
• Truncate instead of rounding 24bpp->16bpp (Connor McLaughlin)
• Fix building without SSE on Linux (Connor McLaughlin)
• Warning fixes (Connor McLaughlin)
• Fix toggling Show GPU Usage at runtime (Connor McLaughlin)
• Fix folder changes not applying immediately (Connor McLaughlin)
• Fix exiting game in big picture returning to list (Connor McLaughlin)
• Fix per-game custom aspect ratio (Connor McLaughlin)
• Fix Linux compiling (Connor McLaughlin)
• Don't round when texture replacements are enabled (Connor McLaughlin)
• Fix software cursor rendering (Connor McLaughlin)
• Fix crash on game change when using RAIntegration (Connor McLaughlin)
• Move RAIntegration menu to Tools (Connor McLaughlin)
• Add -raintegration command line parameter (Connor McLaughlin)