Region page: new LD source, pop selector, LZjs 0.10

[abought]

Ticket: #128

Purpose

The old LD server is deprecated, but collectively, newly created PheWebs represent a major source of traffic.

We should update PheWeb to use the new LD server, including features such as the new "choose LD population" picker with more available populations.

How to test this

• Variant page: PheWAS plot was converted to modern category scatter. It should display normally, and respect all common options for variant data (I tried this only with the very small amount of test data available to devs). I have removed some of the extra code around data loading; make sure I didn't remove anything important!
• Region page: LD population selector should appear on toolbar. Plot should update when options are chosen. LD information should color correctly
• Did I miss any important pages?

[abought]

I've updated the layout a bit further so that the phewas plots work with category scatter. But it could use review + testing as I have very limited test data available, and the field names I chose may not be correct for the original intent.

I've separated formatting vs content changes into separate commits for ease of review.

[abought]

Per peter's question yesterday: Daniel has confirmed that the NaN workaround (for the old API server) can be safely removed when using the new LDServer source. ("LDServer gives “null” in JSON where value is not available")

[abought]

Following up on review of this ticket.

Are there any requests or blockers? What can I do to help move this forward?

[abought]

This seems to have been merged Feb 25 in 982de8c . Is there any further work needed?

Otherwise I'll close this ticket and clear it from my list of things to follow up on. :)

[pjvandehaar]

Yes, the main commit was merged.