Implement dlloyd@redhat.com's feedback for the "Legacy EJB Client Compatibility" section of the release notes:

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In the "Legacy EJB Client Compatibility" section, it says "EJB client
The regular EJB client is not fully backward compatible with JBoss
EAP 7.0." It should probably be worded more softly like this: "[...]
is mostly, but not completely, backward compatible [...]". Then
update the next section like "Legacy EJB client - The legacy EJB
client provides /full/ binary backward compatibility. [...]"

Also it would be good (if possible) to mention that the new EJB client
supports dynamic identity switching, and that Remoting has been
enhanced to support multiple identities over a single connection
(automatically, without user intervention) instead of requiring a new
connection per identity. Otherwise looks good I think!
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