Fix doc warnings in app.js.
Fix up typos in dummy resources.
More minor fixes for dummy resource docs.
Fix indentation of parameters in MetricStore.inc docstring.
Fix references to attributes in OutboundHelper.send.
Clean-up formatting of parameter descriptions in states.state docstrings.
Minor formatting fixes for translation docs.
Minor fixes to User docstrings.
Numerous formatting fixes for InteractionMachine.interact docstring.
A couple of fixes for utils docstrings (note that use of  was removed because formatting appears to not work inside it).
Remove reference to examples.rst (which does not exist). Examples live on the front page for now.
Merge branch 'feature/issue-136-doc-cleanup' into develop