Add grid support to QSP (plus bug fixes)

This PR adds support for reading in grid data and weighting the counting of the histogram based on volume of fluid occupied for QSP. This PR also fixes some bugs in the Matlab script.

added 1 commit

• 21a589ea - actually implemented algorithm to get the physical arclength for the mapped weights

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added 1 commit

• aba674da - fixed small bug in QSP function and added (hacky) support to use salinity as a tracer for QSP.

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merged

mentioned in commit 6e22524e