WFLY-2681 Send correct content type from management REST API

Also fix some Undertow usage to be more correct/efficent
WFLY-2687 Use VFS based resource loader for deployment overlays
WFLY-2715 Upgrade to PicketBox 4.0.20.Beta4
Remove netty 3.x depandancy
WFLY-2718 Deploying a pure InFlow rar as module drive fail
WFLY-2712 NPE check
cli: addition to fix for https://issues.jboss.org/browse/WFLY-2644 - sync on the list of shutdown handlers to avoid concurrency-related issues
[WFLY-2663] mod_cluster metric properties are never applied
[WFLY-2660] Don't attempt to load group information if the remote 'user' was authenticated as a server.
[WFLY-2662] Split the LDAP resources for authorization into separate operations.
Remove obsolete workaround for ISPN-3048
WFLY-2679 Jdbc cache store couldn't read databaseType property
Allow expressions for dialect property.
Support some missing JAPIC features
https://issues.jboss.org/browse/WFLY-2523 cygwin jboss-cli.sh
[WFLY-1712] Stop the name attribute from being added when adding handlers/subhandlers.
Upgrade byteman to 2.1.4 (latest)
[WFLY-2061] Use runtime name when finding deployment service to read status
WFLY-2697 Base64 encode inter-process messages sent over stdin
[WFLY-2171] Use deployment unit processors to register mod_cluster metrics