[x] file-selection-dialog: doubleclick on folder not opening the doubleclicked folder
[x] file-selection-dialog: button to display vaadin projects only? or s.th. else
[x] if select vaadin project, visualize what to do next? -> select pom? or select only vaadin project folder? or select src or whatelse
[x] show what to do if opened a project (maybe just as a starter wizard or s.th.)
[x] if a selected .java file is not valid -> show in file-selection-dialog that it isn't valid!!!! nice would be a reason
[ ] to delete a component like a textbox, display a X (delete) symbol icon on the upper right corner in red if hover with mouse
[ ] button to display the borders of the view, to see what layouts are curretly applyed to the current view (because I cant see my layouts without any components in it)
[ ] button to run the current view for testing
[x] save and/or exit/finished button
[ ] if dragging labels or hX then directly make it possible to write text into the text-value (like in powerpoint or s.th.)