v2.4.0

VegaLite v2.4.0

Diff since v2.3.1

Closed issues:

• problem with VegaLite in jupyter notebook with julia kernel (#340)
• problem with VegaLite in jupyter lab (#356)
• Update vega-lite version (#357)

Merged pull requests:

• docs: add example for using printrepr (#325) (@mcmcgrath13)
• Faster startup (#328) (@PallHaraldsson)
• Update to assets v3.0.1 (#362) (@davidanthoff)
• Fix deprecation warnings (#364) (@jlewis91)
• Add dev notes section (#366) (@jlewis91)
• add @test_broken (#367) (@pdimens)
• Use a different artifact version (#369) (@davidanthoff)
• Remove Setfield dep (#371) (@davidanthoff)