Re-racking presenter: first commit
missing files
finish the update on roles
moving the repacking presenter from the 'admin' (reception.html) to a third page (repacking.html)
adding a menu navigation
missing files (oops)
renaming the links
renaming files
Revert "renaming files"

This reverts commit 24f7c504b9761f22a43bd87d843be606639cacdf.
renamed files (properly this time)
renamed the rest of files (extraction_(model | presenter) -> lab_activities_(model | presenter))
cleaning up
Merge pull request #274 from benoitmangili/features/reracking_presenter

Features/reracking presenter