add an option to plot a HoloMap with the BalancingLearner

This can be used with the live_plot functionality and HoloMaps are exportable to html.

Closes #113 (closed).

adaptive/learner/balancing_learner.py

@@ -205,6 +205,8 @@ class BalancingLearner(BaseLearner):
         if dynamic:
             return dm
         else:
+            # XXX: change when https://github.com/ioam/holoviews/issues/3085
+            # is fixed.
             vals = {d.name: d.values for d in dm.dimensions() if d.values}
             return hv.HoloMap(dm.select(**vals))