Added /archive and /archive/$lang paths
Created topics by lang
Use a proper relationship to catch the other sites
Fixed layout
Created internal relationship on uid (translations)
Fixed join conditions
Display translations
bootstrap_archive will forcibly reindex texts
Topic display with multilang
Language selection
Labelling and "optimization"
Updated todo
Updated todo for next round
Handle properly the fixed categories in the new text form
Use #cat instead of #topics for testing (they're the same)
Fixed category display
Fixed categories handling
Display only explicitely supported languages
Default page depends on the current locale
Optimization + test