128822 jvonka: MNT-16448 / REPO-928: Fix "Alfresco OOTB install doesn't show preview for .EML files"
- add back Rfc822ToPdf to replace removal of Rfc822ToSwf (removed for BDE-443)
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@129303 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261