mollom 6.x-2.0-beta1

Changes since 6.x-1.x:

• #1221284 by sun, barami: Fixed wrong default value in report form.
• #1168604 by sun: Fixed author_id is wrongly associated for anonymous users when name matches registered username.
• #1279198 by Wim Leers, sun: Only add mollom.js when needed.
• #1246482 by sun: Fixed Page caching is not properly disabled.
• #1370854 by sun: Removed client-side server fail-over logic.
• #1376446 by sun: Added Mollom moderation integration toggle per form.
• #1280242 by DeeLay, sun: Fixed Variable cache is needlessly invalidated very often.
• #1365618 by sun: Fixed Contact form: 'Report to Mollom' link not added to e-mail.
• #1365652 by sun: Pass $mollom into mollom_mail_add_report_link().
• #1264850 by sun: Migrate testing mode UI to new API.
• #903770 by sun: Added Mollom Moderation integration.
• #1267168 by sun: Fixed CAPTCHA value is sent to Mollom even if there is no user input yet.
• #1267168 by sun: Fixed required CAPTCHA is accepted without input under certain conditions.
• Fixed D6 form "session" handling by introducing new 'mollom_build_id'.
• Moved local testing server into separate mollom_test_server.module.
• Fixed CAPTCHA not always inserted into form as expected.
• Added Mollom class.
• Replacement of XML-RPC with REST communication.