Make image plotting the same orientation as in Plots.jl

[logankilpatrick]

Why does the plotting of an image not have the same orientation as in Plots.jl? Seems a little unfriendly to me. Maybe we can just rotate by default when displaying behind the scenes?

[mschauer]

See #205 for the gory discussion which let to the current compromise/solution.

[felixcremer]

This should be closed as dup of #205.