Adding administration model file with functions definition
get_all_users implementation
implementation and test of some function in administration_model
add doc about model function and comment inside fonction !
add not complete get_all_moderator implementation
add get_all_moderator implementation
UserList view for admin page
end of implementation
Add New user form
Add New user form
Merge origin/Sprint3-admin_model into Sprint3-admin_model
Modif add user form
Merge commit '6a90187201b90709e9851cb37bff6d3f5433636e' into Sprint3