Fixed FilterDTO.
Igniring META-INF
Usecases now can be run from CompositeController and its descendants
only.
Added MOUtils - utility class.
Exporter controller and view addded.
CommonComposite is now unfocusable.
Some fixes. Added controller listener for item composites.
Added AllowAllChecker for DTO access checking.
Some session attributes moved to HTTP session. 
Added session expiration.
Added force no spaces input option for TextField.
Fixed gread bug: there was one user for persistence service.
Now there is a PersistentManagerSession which stores user and database
access user, and persistence mananger object.
Some changes in DTOs and fields.
Added user to export view. Added "combo" mode for TextField.
Merge pull request #4 from futurelink/devel

Devel