clean: remove old design, with application plugins and menu builders
improve home page: upcoming events view of calendar
include updates in home page
fix display problem of timestamp columns for filters
improve frame header layout
fix issue in typed field attached to the datamodel
fix student section in people profile
fix spelling in selection process configuration
can set sorting in data_list
improve people picture: only reference to storage_id+reference, and when changing, automatically updated
fix few bugs on calendar views
better icon to edit column in data_list
more simple screen for exam subjects
fix few bugs
fix few bugs from Dimitri tests