Merge pull request #1281 from palantir/release-v0.35.0

Release v0.35.0 (--> master)
[HOTFIX] Add classes to legend rows/entries

Rows on Legend now have the row text as a CSS class.
Entries on HorizontalLegend now have the entry text as a CSS class.

In both cases spaces in the text are replaced with dashes.
Merge pull request #1287 from palantir/hotfix-legend-classing

[HOTFIX] Add classes to legend rows/entries
Release version 0.35.1
Merge pull request #1288 from palantir/master

Resync master and develop