Vaadin 7 extended maintenance version changelog

Vaadin 7.7.34

Update Jsoup to version 1.15.3

Vaadin 7.7.33

Update license metainfo CVDL4
Update Jetty version for security
Update license checker to version 1.5.2

Vaadin 7.7.32

Update Atmosphere version to 2.2.13.vaadin4

Vaadin 7.7.31

Don't serve directories as static files
Update license checker version to 1.2.2
Add JNA dependencies for license checker

Vaadin 7.7.30

Ensure resize and dragging curtains are removed when a window is closed