Correct addon jar to include sources and create package module to create zip for Vaadin Directory
Release version 1.0.1
Correct assembly file used to build addon package
Correct implementation title used in package Manifest
Merge tag '1.0.1'

Fix version 1.0.1

Conflicts:
	itemlayout-demo/pom.xml
	itemlayout/pom.xml
	pom.xml