improved select-all implementation.
Added swing ActionEvent to-map implementation.
Divided the flags modifiers processing from the mapping.
Moved protocols implementation for Documento to record definition.
Fixed bug in to-map implementation for DocumentEvent. Added Text protocol.
Fixed bug when opening an already open document.
Fixed bug in the ordering of tree items.
Fixed bug: load-plugin! is used for reducing so it should return the app.
Moved the UI file-tree code to its own plugin.