Add note about get_video convention to ImagingExtractor
#212
| Job | Run time |
|---|---|
| 1m 50s | |
| 8m 13s | |
| 3m 23s | |
| 1m 42s | |
| 7m 29s | |
| 4m 20s | |
| 4m 54s | |
| 5m 45s | |
| 3m 39s | |
| 1m 53s | |
| 6m 0s | |
| 2m 46s | |
| 51m 54s |