Compute covariance after bundling.
Compute covariance after bundling.

It fails now because of the gauge ambiguity.  We need to add constraints to the problem.

sunbingfengPI/OpenSFM_Test,edgarriba/OpenSfM,oscarlorentzon/OpenSfM,onecue/OpenSfM,onecue/OpenSfM,BrookRoberts/OpenSfM,onecue/OpenSfM,onecue/OpenSfM,NicWayand/OpenSfM,edgarriba/OpenSfM,mapillary/OpenSfM,oscarlorentzon/OpenSfM,NicWayand/OpenSfM,sunbingfengPI/OpenSFM_Test,mapillary/OpenSfM,NicWayand/OpenSfM,onecue/OpenSfM,mapillary/OpenSfM,sunbingfengPI/OpenSFM_Test,edgarriba/OpenSfM,edgarriba/OpenSfM,edgarriba/OpenSfM,BrookRoberts/OpenSfM,NicWayand/OpenSfM,BrookRoberts/OpenSfM,mapillary/OpenSfM,oscarlorentzon/OpenSfM,mapillary/OpenSfM,BrookRoberts/OpenSfM,BrookRoberts/OpenSfM,oscarlorentzon/OpenSfM,sunbingfengPI/OpenSFM_Test,oscarlorentzon/OpenSfM,NicWayand/OpenSfM,sunbingfengPI/OpenSFM_Test