[yt-dev] Issue #740: Shear field needs porting to new units+fields framework (yt_analysis/yt)

New issue 740: Shear field needs porting to new units+fields framework https://bitbucket.org/yt_analysis/yt/issue/740/shear-field-needs-porting-to-... Matthew Turk: The shear field needs to be ported. I have punted on this for the time being during the merge, as I would like to see it use the new `sl_info` setting which handles slices. Responsible: MatthewTurk