Minor changes in the JavaDoc
Extract ActionListerner interface and EnableActionListener and create their own interface/class. Modify the references to these class/interface.
Minor changes in the JavaDoc
Add the support to ModelListener#modelChanged Action Clases (only in Paste and Save, the others have it already implemented)
Added new style class for IconButton and its corresponding implementation in light/skin.json
Modify createIcon and createItem methods to take into account the "enable/disable" state of the actions
Adatp the code to rebased changes in WidgetsUtil and include other methods in that class
Formatter changes
PR Comments commit 1: JavaDoc changes and IconButtonStyle attribute renamed
PR comments commit 2: Refactor "Enable Action when Game Load" fact
Changes after Formatter
Changes related to comments on PR: refactor EnableOnLoad method name and fix the code of Paste.checkAditionalPreconditions
After rebase, change import to new location of ActionListener
After Formatter
Merge pull request #583 from angeldelblanco/disable-main-toolbarbuttons

Disable main toolbar buttons