Computation times

00:09.326 total execution time for 7 files from tutorials/basics:

Example	Time	Mem (MB)
Setting the region (regions.py)	00:03.375	0.0
Frames, ticks, titles, and labels (frames.py)	00:01.870	0.0
Coastlines and borders (coastlines.py)	00:01.081	0.0
Plotting lines (lines.py)	00:00.953	0.0
Plotting text (text.py)	00:00.787	0.0
Plotting data points (plot.py)	00:00.743	0.0
Plotting polygons (polygons.py)	00:00.516	0.0