Glacial update for non-vertical rays#3

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andreww wants to merge 13 commits intoalanfbaird:glacialfrom

andreww:glacial

Commits on Jul 15, 2014

added full ebsd data from Obbard and Baker (2007)
alanfbaird
committed

Commits on Jul 16, 2014

added graphs of temperature and velocities vs depth
alanfbaird
committed

Commits on Jul 28, 2014

Commits on Sep 18, 2015

Fix units for modsimple
andreww
committed

Commits on Sep 28, 2015

Anisotropies for vertical section
andreww
committed

Commits on Oct 27, 2015

Change frequencies in glacial spliting example
andreww
committed

Commits on Dec 9, 2016

Fix modsimple generator for glacial splitting
andreww
committed