Create a web-common module and move EE related classes

This commit moves most of the classes that are required
for web container integration into their own module. This
is not a complete solution as yet, as OSGI and Web Services
still have a hard coded dependency on JBoss Web classes.
AS7-6620 ManagedDomainDeployableContainer kills the managed server instead of regular shutdown in stop() on Windows
AS7-6639 Add synchronization to workaround ISPN-2866