[WFLY-2033] fix CMT NotSupported MDB

* fix handling tx attributes of MDB
* check that EJBContext.getUserTransaction() is allowed before calling
  the component
* add test org.jboss.as.test.integration.ejb.mdb.cmt.notsupported.ContainerManagedTransactionNotSupportedTestCase
WFLY-1409 custom mail server should allow definition of independent properties
WFLY-1813 Upgrade JGroups to 3.4
WFLY-1777 Upgrade Wildfly to Infinispan 6
Fix exception message i18n.
Create WLFY-2048
Set MAX_FD_LIMIT correctly for mac os x
Ignore kdiff3 .orig files
Upgraded joda-time:joda-time:2.2
Upgraded org.slf4j:slf4j-api:1.7.5
Upgraded org.jdom:jdom:1.1.3
Upgraded commons-io:commons-io:2.4
Added httpclient-cache to the org.apache.httpcomponents module
      org.apache.httpcomponents:httpclient-cache:${version.org.apache.httpcomponents.httpclient}
Added mime pull for handling large attachments with SAAJ to com.sun.xml.messaging.saaj module
      org.jvnet.mimepull:mimepull:1.9.2
Upgraded sun.saaj-impl to 1.3.21.aspan-1
Added module com.mysql
      com.mysql:mysql-connector-java:5.1.26
Added module org.apache.commons.digester
      commons-digester:commons-digester:2.0
Added module org.apache.commons.lang3
  org.apache.commons:commons-lang3:3.1
Added module com.fasterxml.jackson
  com.fasterxml.jackson.datatype:jackson-datatype-joda:2.2.3
Added module org.springframework
  aopalliance:aopalliance:1.0
  org.aspectj:aspectjrt:1.7.3
  org.aspectj:aspectjweaver:1.7.3
  org.infinispan:infinispan-spring:${version.org.infinispan}
  org.springframework:spring-aop:3.2.4.RELEASE
  org.springframework:spring-aspects:3.2.4.RELEASE
  org.springframework:spring-beans:3.2.4.RELEASE
  org.springframework:spring-context:3.2.4.RELEASE
  org.springframework:spring-context-support:3.2.4.RELEASE
  org.springframework:spring-core:3.2.4.RELEASE
  org.springframework:spring-expression:3.2.4.RELEASE
  org.springframework:spring-jdbc:3.2.4.RELEASE
  org.springframework:spring-jms:3.2.4.RELEASE
  org.springframework:spring-orm:3.2.4.RELEASE
  org.springframework:spring-web:3.2.4.RELEASE
  org.springframework:spring-tx:3.2.4.RELEASE
Added the org.springframework module as a dependency to the org.hibernate module
Added module org.springframework.amqp
  org.springframework.amqp:spring-amqp:1.2.0.RELEASE
  org.springframework.amqp:spring-rabbit:1.2.0.RELEASE
  com.rabbitmq:amqp-client:3.1.4