WebJournal: Indico seminars widget improvement
- Improves the Indico seminars widget but fetching more carefully information about the creator/chair of the event as well as the URL. (closes #1980) (closes #1981)
Signed-off-by: Nikolaos Kasioumis <nikolaos.kasioumis@cern.ch>
Tested-by: Tibor Simko <tibor.simko@cern.ch>