[AS7-6225] Messaging XML parser swallows exceptions

* fix throwing the exception everytime missingRequired() is called
* fix broadcast-group & discovery-group parsing constraints
AS7-6220 Add descriptor roles when building the JBossGenericPrincipal
AS7-6125 Upgrade PicketBox to 4.0.15.Final
[7.1] [AS7-6202] Deploying to a 7.2 DC with a 7.1.2 or 7.1.3 slave fails in OSGi
AS7-4283 File cache store location used by <context-root></context-root> overlaps with location for other contexts
AS7-6245 ClassNotFoundExecption if entity-commands are used for EJB2-CMP entities
7.1 AS7-6186 Mojarra 2.1.16 upgrade breaks Seam 2.3 conversations
Set MAX_FD_LIMIT correctly for mac os x
Added command line flag to start in debug mode
Upgrade org.slf4j to 1.7.1
Upgrade joda-time to 2.1
Upgrade netty to 3.4.6.Final
Upgrade apache WSS4J to 1.6.7
Added mime pull for handling large attachments with SAAJ
Added mysql driver 5.1.22
Added springframework 3.2.0.RELEASE module
Added snowdrop module 2.0.4.Final.Aspan1, subsystem and configuration
Added spring infinispan integration
Upgraded byteman to 2.1.0.Aspan1
Upgraded jackson to 1.9.9