refs: #14214; improvements to webex meeting request

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20178 a0171fae-0946-0410-966d-b1775066cd26
released 1.3.11, new version 1.3.12

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs@20179 a0171fae-0946-0410-966d-b1775066cd26