no actual change
trying to keep in the local database only the answers of the  featured content
workaround on statistics
trying to fix statistics issue
fix Issue #213: when closing the achievements views statistics should be shown properly.
fixed Issue #213: the calculated values should be stored in the model while the user is not requesting statistics for another course
fixed Issue #212: (statistics should be working properly when logging out, and keep the featured content's only)
refactoring of transition to statistics, workaround on Issue #212
draft on refactoring of transitions