Added the Internationalization package for the application

Added I18N and Lang classes, and property files for english and
portuguese. Also added the package-info
changed netbeans project files

gitignore and nbproject folder
added defaults.xml file

this is a property file with default values
added new functions to Dwriter class and created package-info for ctrl

changed some values and added: loadDefaultProperties(),
loadProperties(), createUserProperties() and getUserProperties()
functions
added the WorkFile interface and WorkFileV1 class