ACTIVEMQ6-54 Fixing tests broken after Paging fix

https://issues.apache.org/jira/browse/ACTIVEMQ6-54

Changing the order of depaging introduced an extra check that needs to be checked now.
This will probably take care of the issue by checking if the page is complete before depage.
Merge #42 - paging fix from Clebert
ACTIVEMQ6-6 - remove SPI usage

https://issues.apache.org/jira/browse/ACTIVEMQ6-6

Remove jboss security deps.
documentation review fixes