ACTIVEMQ6-4 - more refactoring

https://issues.apache.org/jira/browse/ACTIVEMQ6-4

renamed all the scripts and run commands and variables to be ActiveMQ
ACTIVEMQ6-4 - refactor default configuration

https://issues.apache.org/jira/browse/ACTIVEMQ6-4

Remove the auto generation of the default config and rename to ActiveMQ
ACTIVEMQ6-4 - refactor schemas

https://issues.apache.org/jira/browse/ACTIVEMQ6-4

Refactor all the schemas to use an activemq namespace and rename schema files
ACTIVEMQ6-4 - fix examples

https://issues.apache.org/jira/browse/ACTIVEMQ6-4

some of the examples were broken after the last refactoring.
Merged PR #8