I looked at MentalWealth 0.95 with Moin 1.5.3, it looks nice and 
clean.
I am missing css div for header1, header2, footer1, footer2.
Would be nice to have these integrated.

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We added an own 'action' to our wiki, so we can see who is currently 
subscribed to the current page. We placed the action 'Subscribers.py' 
in 
<myWikiInstance>/data/plugin/action.

When using the classic and modern theme, the new action appears in 
the 
drop-down box "More Actions:", however, it doesn't appear in the 
MentalHealth theme.

So I was wondering if you consider custom actions in your theme?