--User changes

-Add buttons to copy and paste affine transforms.
 -Show xform names on the column headers of the xaos table.
 -Add a color-coded third column to the variations tree which shows any properties of each variation which are non-standard.
 -Draw a transparent circle over hovered xforms.
 -Change how xforms respond to dragging. Rotate only is now the default, and scale will only happen with shift.
 --Optionally do scale and rotate when holding shift, via a setting in the options dialog.

--Bug fixes
 -Snapping when dragging was wrong sometimes.
 -The program would very rarely crash on startup due to some values being in an uninitialized state.

--Code changes
 -Change almost every variation to use fma() in OpenCL when doing computations of the form a * b + c. This provides a slight speedup, mostly in double precision mode.
 -Also apply fma() to affine calcs.
 -Cleanup of OpenGL affine drawing code.
 -Separate the concept of hovering and selecting xforms.

Source/Fractorium/FractoriumRender.cpp

@@ -159,13 +159,13 @@ void FractoriumEmberControllerBase::SaveCurrentRender(const QString& filename, c
 			{
 				vector<byte> rgba8Image(size * 4);
 				Rgba32ToRgba8(data, rgba8Image.data(), width, height, transparency);
-				b = WritePng(s.c_str(), rgba8Image.data(), width, height, 1, true, comments, id, url, nick);//Put an opt here for 1 or 2 bytes.//TODO
+				b = WritePng(s.c_str(), rgba8Image.data(), width, height, 1, true, comments, id, url, nick);
 			}
 			else
 			{
 				vector<glm::uint16> rgba16Image(size * 4);
 				Rgba32ToRgba16(data, rgba16Image.data(), width, height, transparency);
-				b = WritePng(s.c_str(), (byte*)rgba16Image.data(), width, height, 2, true, comments, id, url, nick);//Put an opt here for 1 or 2 bytes.//TODO
+				b = WritePng(s.c_str(), (byte*)rgba16Image.data(), width, height, 2, true, comments, id, url, nick);
 			}
 		}
 		else if (suffix.endsWith("exr", Qt::CaseInsensitive))