Add Setting to Control Global Resources Usage for Messaging Servers

Add a global-max-memory-size attribute to the /subsystem=messaging-activemq/server resource to control the maximum amount of memory that Artemis can use to store messages for its addresses before they are considered "full" and their address-full-policy starts to apply (e.g. to drop messages, block producers, etc.). Default is -1 (meaning that there is no limit).

Add a global-max-disk-usage attribute to the /subsystem=messaging-activemq/server resource to control the maximum space Artemis can use to store data on the file system. Once that limit is reached, any message will be blocked. This attribute is expressed in percentage of the available space on the disk (min 0, max 100). The default value is 100.

Add a disk-scan-period attribute to the /subsystem=messaging-activemq/server resource to control frequency at which Artemis check the space available on the file system. The default value is 5000 milliseconds.

Standard subsystem & transformer tests for legacy version will be added to the subsystem test suite

The memory feature will be tested in the QE test suite to ensure that once Artemis has filled its addresses in memory for the amount specified by the global-max-memory-size attribute, the address-full-policy will take effect.

Likewise, the disk feature will be tested in the QE test suite to ensure that once Artemis has filled the disk up to the percentage set by global-max-disk-usage, it will block any message processing.