New method to check if the primary button is pressed
Add a new context menu to subscriptionList to delete subscriptions
Handle the posibility of receiving or not a subscription to delete
Add to subscriptionList's contextMenu items to read all elements and to
update all feeds.
No need to act on key press since the user can't navigate the
subscriptionList because we change focus to the subscriptionItemsTable.
Add edit subscription menu item to contextual menu of subscriptionList
Add id to toString()
Debug message
Add a field for subscription history
New labels for edit dialog
Refresh the Items TableView when elements are deleted/read
Implement the getBundle method by default
New factory singleton to show dialogs for different actions.
Deprecated
Moved the quit event handler to FXMLController
Deprecated
Remove controller definition
Change the way of loading the FXML file.
Set the Window in the FXMLController after we're done loading
Set a new parent Window instead of trying to get the Window object later
Use DialogFactory
Remove unused getWindow & close methods