Fix #1554 where a transparent point leaked its outline color.
Merge pull request #1555 from AnalyticalGraphicsInc/issue1554

Fix #1554 where a transparent point leaked its outline color.
Support CZML images of type uri, to match the latest czml-writer.
Merge pull request #1558 from AnalyticalGraphicsInc/czmlImageUri

Support CZML images of type uri, to match the latest czml-writer.
Merge branch 'master' into stripeMaterialProperty
Rename Stripe `lightColor` and `darkColor` to `evenColor` and `oddColor`