Upgrade Maven Archetype plugin to version 2.2

Release Notes - Maven Archetype - Version 2.2

** Bug
    * [ARCHETYPE-390] - Several parameters of the create-from-project mojo lack documentation
    * [ARCHETYPE-391] - The defaultEncoding parameter is never used.

** Improvement
    * [ARCHETYPE-382] - when selecting an archetype, display archetype groupId and artifactId before choosing version
    * [ARCHETYPE-387] - IntegrationTestMojo has hardcoded target/test-classes/projects for resources
    * [ARCHETYPE-389] - add some various options to improve how Maven is invoked in IntegrationTestMojo

** New Feature
    * [ARCHETYPE-383] - Use velocity expressions in descriptor properties
    * [ARCHETYPE-388] - enhance IntegrationTestMojo to be able to run verify script to do some asserts

** Task
    * [ARCHETYPE-386] - use plexus java 5 annotations instead of old-style javadoc annotations