- set cpp managment for list
- remove items stored in shared pointer that are managed by Gui
- queue connection for signals between GUI/Core in order to avoid calling functions while destructions.
conf creation loading+error; fix info popup layout
move contact edition in contact page (switch to contact tab if creation requested)
fix contact creation + select new contact on creation
conference info list : creation signal (to finish when conference scheduler is updated, see comment)
fix crash if no vcard
fix calendar ui
+spacings
layout polish (! on string in meetinglist)
