Huge renderer update (WIP). Still plenty to do, especially pertaining to UI.

-Nametag bubble visbility is oddly inconsistent. May vanish with future planned UI merges...
-VBOs are PAINFULLY slow on ATI hardware. This repos self-compiled davep/shining-fixes branch, so I'll leave the ball in LL's court for now regarding that.

indra/llwindow/llwindowmacosx.cpp

@@ -1271,7 +1271,6 @@ BOOL LLWindowMacOSX::setSize(const LLCoordScreen size)
 
 void LLWindowMacOSX::swapBuffers()
 {
-	glFinish();
 	aglSwapBuffers(mContext);
 }
 
@@ -2549,8 +2548,8 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 			{
 				// This is where we would constrain move/resize to a particular screen
 
-				const S32 MIN_WIDTH  = 320;
-				const S32 MIN_HEIGHT = 240;
+				const S32 MIN_WIDTH  = 1024;
+				const S32 MIN_HEIGHT = 768;
 				
 				Rect currentBounds;
 				Rect previousBounds;