Revert "Sistemato file .project"

This reverts commit c73d6016c2e91d0b217617a348860166ab00d5cc.
Revert "Modificato classpath per jre7"

This reverts commit caef278acaadf6302e46cc993900b16bd5bb6d2a.
Revert "Merge branch 'gui' into smart"

This reverts commit 4349078500a68fc2b2ea594a24c0f16bc8a3a74a, reversing
changes made to 9744c5f10a1312d2dd478238bb45abdaad58e765.