Move SupportPowerInstance out of SupportPowerManager
Add "leading minute zero" overload to FormatTime
Support loading sprites with non-zero offsets.
Move R8Reader to FileFormats.
Add native support for the d2k R8 format.
Add public atom bomb and gps timers to RA
Merge pull request #3574 from ScottNZ/superweapons

Add atom bomb and gps public superweapon timers to RA
Merge pull request #3575 from pchote/r8reader

Native R8 support for sequences
Style fixes for Renderer.Cg.
Style fixes for Renderer.Gl.
Style fixes for Renderer.SdlCommon.
Remove obsolete stencil buffer configuration.
Remove hacky os-specific keyboard shortcuts.
Merge pull request #3578 from pchote/renderer-cleanup

Renderer cleanup
Add some world-coordinate helpers.
Convert mission scripts to world coords.
Convert HackyAI to world coords.
Remove PPos overload of ClosestTo.
Remove PPos overload of FindUnitsInCircle.
Rename FindUnitsInCircle -> FindActorsInCircle.