Sets -SNAPSHOT version
Moves global exclude patterns into dedicated class
Uses global exclude patterns to initialise excludeParams
Adds test cases to test ClassLoader pollution
Updates archetypes' version
Updates maven-release-plugin to solve problem with tagging
Updates maven-release-plugin to solve problem with tagging
[maven-release-plugin] prepare release STRUTS_2_3_16_2
[maven-release-plugin] prepare for next development iteration
Merge branch 'hotfix/2.3.16.2'

Conflicts:
	apps/blank/pom.xml
	apps/jboss-blank/pom.xml
	apps/mailreader/pom.xml
	apps/pom.xml
	apps/portlet/pom.xml
	apps/rest-showcase/pom.xml
	apps/showcase/pom.xml
	archetypes/pom.xml
	archetypes/struts2-archetype-angularjs/pom.xml
	archetypes/struts2-archetype-blank/pom.xml
	archetypes/struts2-archetype-convention/pom.xml
	archetypes/struts2-archetype-dbportlet/pom.xml
	archetypes/struts2-archetype-plugin/pom.xml
	archetypes/struts2-archetype-portlet/pom.xml
	archetypes/struts2-archetype-starter/pom.xml
	assembly/pom.xml
	bundles/admin/pom.xml
	bundles/demo/pom.xml
	bundles/pom.xml
	core/pom.xml
	core/src/main/resources/struts-default.xml
	plugins/cdi/pom.xml
	plugins/codebehind/pom.xml
	plugins/config-browser/pom.xml
	plugins/convention/pom.xml
	plugins/dojo/pom.xml
	plugins/dwr/pom.xml
	plugins/embeddedjsp/pom.xml
	plugins/gxp/pom.xml
	plugins/jasperreports/pom.xml
	plugins/javatemplates/pom.xml
	plugins/jfreechart/pom.xml
	plugins/jsf/pom.xml
	plugins/json/pom.xml
	plugins/junit/pom.xml
	plugins/osgi/pom.xml
	plugins/oval/pom.xml
	plugins/pell-multipart/pom.xml
	plugins/plexus/pom.xml
	plugins/pom.xml
	plugins/portlet-tiles/pom.xml
	plugins/portlet/pom.xml
	plugins/rest/pom.xml
	plugins/sitegraph/pom.xml
	plugins/sitemesh/pom.xml
	plugins/spring/pom.xml
	plugins/struts1/pom.xml
	plugins/testng/pom.xml
	plugins/tiles/pom.xml
	plugins/tiles3/pom.xml
	pom.xml
	xwork-core/pom.xml