[fix] do not use the provided link if it is empty
introduce new option files_by_date
allow for partial option match in articles and sections
streamline the feed of information displayed at user profile
combine comments only during 10 seconds, else it may be confusing to thread contributors
enhance the layout of files used at user profiles
[fix] do not kill the video on intermittent problem
improve MySQL requests used to list managed sections
[fix] minor correction of MySQL statement
[i18n] translate new strings added to yacs
correct HTML tag for empty list
[fix] align signature of the list_selected() member function across the full software
[fix] review signature of get_permalink() member functions across full code
[fix] review declarations of public static member functions (to avoid strict error messages)
[fix] banned users have now 'suspended' profiles instead of being 'blocked'
change the outcome of function scripts::list_scripts_at()
[i18n] change title of message sent to watchers
[fix] streamline the implementation of ics standard
[clean] remove dead code
[fix] limit the depth of content delivered in a freemind map