renaming BooleanProperty to BoolProperty (rna structs shouldnt affect scripters)

Talked with Brecht and Campbell and they both agreed that bpy.types should match bpy.props
In the ideal world we would rename bpy.props to BooleanProperty. This would break scripts though. So we go for a compromise and at least have some consistency.

release/scripts/startup/keyingsets_builtins.py

@@ -354,7 +354,7 @@ class BUILTIN_KSI_WholeCharacter(KeyingSetInfo):
     # custom properties
     def doCustomProps(ksi, ks, bone):
 
-        prop_type_compat = {bpy.types.BooleanProperty,
+        prop_type_compat = {bpy.types.BoolProperty,
                             bpy.types.IntProperty,
                             bpy.types.FloatProperty}