Use IPython display

[has2k1]

1. Makes it possible to avoid string output that follows the output image.
2. Gained the ability to control the interactive figure format from within plotnine.

closes #694

[codecov[bot]]

Codecov Report

Attention: 96 lines in your changes are missing coverage. Please review.

Comparison is base (32f491a) 0.00% compared to head (4bdd7cc) 0.00%.

Files	Patch %	Lines
plotnine/_utils/ipython.py	0.00%	32 Missing :warning:
plotnine/_utils/context.py	0.00%	29 Missing :warning:
plotnine/ggplot.py	0.00%	29 Missing :warning:
plotnine/themes/theme.py	0.00%	3 Missing :warning:
plotnine/options.py	0.00%	2 Missing :warning:
plotnine/typing.py	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #739 +/- ## ===================================== Coverage 0.00% 0.00% ===================================== Files 178 180 +2 Lines 11166 11204 +38 ===================================== - Misses 11166 11204 +38 ```

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[jasongrout-db]

Awesome, thanks!