cubicweb-conference #345323 Timetable view of talks in a conference [resolved]

Get inspiration from http://www.europython.eu/talks/timetable/ and http://indico.cern.ch/conferenceTimeTable.py?confId=44 to add a view detailling the talks time and location.

prioritynormal
typebug
done in0.1.0
load1.000
load left0.000
closed by<not specified>