Refactored OpenAlternativeExtension and related classes.
Now there is a new class FonsaguaFilterFields that contains methods to get values of filter fields and
FilteredDialog, abstract class extended by OpenAlternativeDialog, that contains all the logic related to filter values.
Remove actionPerformed method from abstract class FilteredDialog
Get report header images through getClassLoader
Added copy-libs target to generate-without-source and batch-build targets
Added UI for generating reports
Several improvements to generate reports