animate transition from one topic view to another
animate transition from one topic view to another

at least, in the yearly plot. The topic words and top docs are not
animated because enough already

agoldst/dfr-browser,agoldst/dfr-browser,altaf-ali/dfr-browser,altaf-ali/dfr-browser,agoldst/dfr-browser,altaf-ali/dfr-browser,altaf-ali/dfr-browser,agoldst/dfr-browser