PLF-5684 : Generate a new artifact with all PLF projects sources
PLF-5894 : Upgrade apache tomcat 7.0.53 -> 7.0.54
Use maven-parent-pom 13

Conflicts:
	pom.xml
Use Addons Manager 1.0.0-RC1
SWF-2623 : Create skin-module branch and update projects versions
Add eXoSkin.war as packaging dependency