logilab-common #93009 add OrderedDict compatiblity code [rejected]

OrderedDict is available from python 2.7 on in the `collections` library module. An activestate recipe is available at http://code.activestate.com/recipes/576693 and is supposed to work from python 2.4 on.

prioritynormal
typeenhancement
done in0.59.0
load0.000
load left0.000
closed by<not specified>
patchimplement OrderedDict compat for python >= 2.4 ; closes #93009 [rejected]