Upgrade MSC to 1.2.0.Beta2
minor cleanup of HashMap usage and pass Collections.emptyMap instead of empty (new HashMap()).
WFLY-1697 temporary workaround for JPA memory leak
Fix memory leak on undeployment
JPA Memory leak plugs
Set the proxy bean manager delegate to null on undeploy

- Remove added attachments
Fix JPA integration memory/classloader leak - Don't store references to a deployment unit beyond its scope
Don't fail if temp files cannot be removed
Upgrade to undertow 1.0.0 beta2

- Undertow beta2 related fixes
Change undeploy order & upgrade to Undertow beta3
Release 8.0.0.Alpha3
Next is Alpha4
WFLY #1685 :
 Fixing bug by setting the TCCL to the domain management module classloader which enables the JDK's LDAP Jndi code to access JBoss SSLSocket Factory
 Integrating refactoring of security integration tests.
 Using JUnit @Before / @After to ensure that the configuration is correctly cleaned.
 Simplifying the test code.