Default value for VisibleAreaPage set to LAST

git-svn-id: http://jira.uji.es/repos/uji/CRYPTOAPPLET/branches/CryptoApplet_2.1.7_pdf@19669 e6edf6fb-f266-4316-afb4-e53d95876a76
Conf properties retrieved through the adapter

git-svn-id: http://jira.uji.es/repos/uji/CRYPTOAPPLET/branches/CryptoApplet_2.1.7_pdf@19670 e6edf6fb-f266-4316-afb4-e53d95876a76