Change Catalog class to retain the plural forms set in the MIME headers.
Change Catalog class to retain the plural forms set in the MIME headers.

git-svn-id: c0ffdcf8c2e87c8872995a0c731507214cc45958@370 59ecc08e-a131-0410-9ea7-d4c0f28ac310

Phaiax/python-babel,mbr/Babel-CLDR,mbr/Babel-CLDR,cc-archive/babel,joshfinnie/Babel,miracle2k/babel,cc-archive/babel,joshfinnie/Babel,Phaiax/python-babel,miracle2k/babel