RNA Types metaclass registration

See mailing list posts for details [1][2][3]

Addons still need to be fixed; Campbell said he'd do it today.

See any of the py files (outside netrender) in this commit for how to do it (it's rather simple).

[1] http://lists.blender.org/pipermail/bf-committers/2010-February/026328.html
[2] http://lists.blender.org/pipermail/bf-committers/2010-August/028311.html
[3] http://lists.blender.org/pipermail/bf-committers/2010-August/028321.html

release/scripts/io/netrender/utils.py

@@ -57,10 +57,6 @@ FRAME_STATUS_TEXT = {
         ERROR: "Error"
         }
 
-def rnaType(rna_type):
-    if bpy: bpy.types.register(rna_type)
-    return rna_type
-
 def reporting(report, message, errorType = None):
     if errorType:
         t = 'ERROR'