4.16.01/4.16.05 Edge Private Cloud doc updates for August 26

[sgilson]

See this article for a complete list of all doc updates to Edge Private Cloud 4.16.01/4.16.05.

• For 4.16.05, added procedure to change the Cassandra password for an API BaaS installation, including information on encrypting the password. See the procedure here.
• For 4.16.05, posted the Release Notes for the 4.16.05.04 release. See the list of fixed bugs here.