ACTIVEMQ6-43 Replace License Headers on codebase
upgrade mycila plugin to 2.6
ACTIVEMQ6-49 Remove the obsolete chinese doc
Merging #26 on removing chinese docs
Merge Branch #25 from Howard on replacing license headers
Fixing IDEA Style template

This is just fixing the IDEA Style template that got corrupted
during the renaming to activemq.

I also fixed the copyright header on the template
and renamed the code style names

I'm not creating a JIRA for this, since this is a small change not affecting the codebase
Merge PR #28
ACTIVEMQ6-50 revert any new protocol headers to keep backward compatibility

- revert the FORCED_DELIVERY_MESSAGE
  back to "_hornetq"
- revert handshake header back to 'HORNETQ'