Batch reprojection error export

[J.D. Laurence-Chasen]

Hi Ben,

As discussed, a batch export reprojection error function (per-frame, per-point, for all trials in a file) would dramatically improve the DeepLabCut / XMALab tracking pipline.

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JD

[J.D. Laurence-Chasen]

I’ve now successfully written a matlab script that can calculate reprojection errors in batch from the 2D points files, so this is much lower priority (but still would be great).

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[Benjamin Knorlein]

fixes #234: Added an export button for Reprojection errors and added the reprojection erros export to the bulk export for external processing

→ <<cset d2738bc95ec8>>

[J.D. Laurence-Chasen]

This is awesome! Thank you!