2.50: svn merge https://svn.blender.org/svnroot/bf-blender/trunk/blender -r19323:HEAD

Notes:
* blenderbuttons and ICON_SNAP_PEEL_OBJECT were not merged.

source/gameengine/Expressions/ErrorValue.cpp

@@ -99,7 +99,7 @@ ret: a new object containing the result of applying operator op to val and
 
 
 
-float CErrorValue::GetNumber()
+double CErrorValue::GetNumber()
 {
 	return -1;
 }