using symfony from to generate new user form
add navigation links and logout (note that logout is useless with HTTP auth)
re-enable logout route and link even if useless at this time
change form layout and set form action in factory
remove form macros
update fils structure description
add configuration class and rename app/controllers to app/classes
rename app/controllers to app/classes
remove useless controller and make the configuration object read-only + fix Exception namespace issue