WELD-1642: Chapter 20. Configuration, documentation review for Weld 2.2
Examples made more up to date

* replaced references to JBoss AS/EAP with WildFly 8
* removed references to Tomcat 6
* arquillian.xml cleaned up, removed old containers
* removed randomly occurring vim modelines
* jsf/numberguess
  * renamed webapp-jboss5* configs to webapp-wildfly
  * removed jsf12 config; the 1.2 slot is no longer present in WF
  * removed servlet config; context.xml no longer applicable
* s/Web Beans/Weld/
* examples/se: Markdownified READMEs, removed licences from READMEs (like in other examples)
Fix MessageSenderTest (SLSB JAX-RS Resource decoration)
* Per 10.2.4 of JAX-RS 2.0 spec, only Stateless and Singleton EJBs are supported, not Stateful
WELD-1636 @WithAnnotations resolution does not consider scope inheritance rules
WELD-1639 Event resolution should consider array type covariance