dont stop failback checker when failing back
Merge pull request #1012 from andytaylor/master

dont stop failback checker when failing back
Trivial change to equals/hashCode of ConfigurationImpl.
This commit is in practice a verification that the methods are up-to-date.
Add some Javadocs and remove 'auto inserted' code stubs
The Javadoc text must appear above the @author tag
Simple fixes to Javadoc errors or omissions. (or just text rewrite for clarity).
no javadocs