Fix javadoc.
Bug fix : when an AbstractItemAction was constructed with an invalid iconResource, no exception was thrown which gave an empty associated ImageIcon (its size was zero).
Implementation of ListPanelFixture to help testing ListPanel component.
refactoring of tests for path(String), path() and path(GenericTypeMatcher) methods to prepare reuse for other custom field fixtures (like ListPanelFixture).
Standardisation of testPath_* method names.
Standardisation of generic parameter names and their order.
Add listPanel(), listPanel(GenericTypeMatcher<? extends ListPanel>) and listPanel(String) methods to ListPanelFixture class.
Move formPane methods from JFormPaneTest class to AbstractFormTest class.
Bug fix in ListPanelFixture : addButton(), removeButton(), upButton(), downButton(), updateButton() and userButton(String) method were searching globally
instead of the associated ListPanel component.