Merge #11
ACTIVEMQ6-36 Disallow SSLv3 for POODLE
ACTIVEMQ6-37 NoSuchMethodError during init

When compiled by JDK 8 targeting Java 6 and then run on JDK 6 or 7 the
ConcurrentHashMap#keyset() method can fail because the return types
changed in Java 8. Using ConcurrentMap interface to resolve the issue.
ACTIVEMQ6-38 Overzealous logging for missing queue
Merge PR #12 - fixes from apache
activemq-4 - more refactoring

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

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

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

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

https://issues.apache.org/jira/browse/activemq-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.