Rename server and production modules to -ui and -production
Rename client module to -widgetset
Use correct jetty plug-in (org.eclipse.jetty)

pluginManagement already specified the correct version for it.
Refresh Jetty every 10 seconds
Fix jetty:run in production module
Move jetty configuration out of parent
moved MyNameComponent to the correct place for widgetset
Merge branch 'master' of https://github.com/hesara/vaadin-mockapp