Applied Furnace-manager changes to Addon Manager
Added toString to AddonActionRequest objects
Improved Update message
Fix test failures in Furnace Container CDI
Merge branch 'features/eclipse_aether_maven_3_1_0' into 2.0

Conflicts:
	maven/impl/src/main/java/org/jboss/forge/addon/maven/dependencies/MavenContainer.java
	maven/impl/src/main/java/org/jboss/forge/addon/maven/dependencies/MavenDependencyResolver.java