Adding graph option ticks to other GraphPanes

For [#37935645] - First step, adding the fields to the models.
Refactoring to_hash to use the new graph options

[#37935645]
Specs pass for added GraphPane attributes

[#37935645] There's the basics, now let's see if it actually works
Turning off version warning from lowpro.js
Adding to expected JSON for new graph options

[#37935645] This updates cucumber features to support the gridlines options.
We seem to need the longer wait now...
Updating the generator to get bug fixes
Merge branch 'missing-gridlines'