Move to jbossorg forked version of EL3

- it has properly split api & impl
[WFLY-1970] Make mod_cluster status interval configurable
[WFLY-3485] Refactor mod_cluster transformers and move transformations to its resources - bug fix
WFLY-3227 Replace batching="true|false" with <transaction mode="BATCH"/> in infinispan subsystem schema/model
WFLY-3540 Allow users to use web session clustering w/out batching
Change the schema version to 3.0.
See https://issues.jboss.org/browse/WFLY-3575
Minor cleanup of xsite integration tests
Rename SharedCacheResourceDefinition -> SharedStateCacheResourceDefinition, for consistency reasons.
WFLY-3626 when calling JAASIdentityManager.verify make sure the principal that is used is the original principal
WFLY-3606 Porting to IronJacamar 1.2.Beta3
Merge pull request #6513 from stuartwdouglas/WFLY-3626

WFLY-3626 when calling JAASIdentityManager.verify make sure the principa...
Merge pull request #6420 from rhusar/WFLY-1970_configurable_status_interval

[WFLY-1970] Make mod_cluster status interval configurable (introduces sc...
Merge pull request #6470 from pferraro/batching

WFLY-3227 & WFLY-3540 Infinispan batching changes
Merge pull request #6491 from maeste/IJ12B3

WFLY-3606 Porting to IronJacamar 1.2.Beta3
Clean up XML to remove java style comments

Also make sure there is a newline at the end of the file
[WFLY-3338] Injected JMSContext is not thread-safe

If there is an active transaction, create a new delegate JMSContext and
store it in the TransactionSynchronizationRegistry to ensure it is
scoped with the transaction

JIRA: https://issues.jboss.org/browse/WFLY-3338
Merge pull request #6520 from stuartwdouglas/clean-up-xml

Clean up XML to remove java style comments
Merge pull request #6510 from ctomc/jsf-split

Move to jbossorg forked version of EL3
Merge pull request #6521 from jmesnil/WFLY-3338_Injected_JMSContext_not_thread-safe

[WFLY-3338] Injected JMSContext is not thread-safe
Update httpcomponents:

httpcomponents-core to 4.2.5
httpcomponents-httpclient to 4.2.6