Change the toolbar button icon based on theme color. fixes #719
Change the toolbar button icon based on theme color. fixes #719

lmorchard/idea-town-server,clouserw/testpilot,mozilla/idea-town-server,mozilla/idea-town,ckprice/testpilot,fzzzy/testpilot,mozilla/idea-town,6a68/idea-town,mathjazz/testpilot,mozilla/idea-town-server,lmorchard/idea-town,dannycoates/testpilot,mathjazz/testpilot,mathjazz/testpilot,lmorchard/idea-town-server,mozilla/testpilot,chuckharmston/testpilot,6a68/idea-town,meandavejustice/testpilot,mozilla/idea-town-server,clouserw/testpilot,lmorchard/testpilot,6a68/idea-town,chuckharmston/testpilot,meandavejustice/testpilot,mozilla/idea-town,meandavejustice/testpilot,meandavejustice/testpilot,mozilla/testpilot,ckprice/testpilot,chuckharmston/testpilot,lmorchard/testpilot,fzzzy/testpilot,lmorchard/idea-town-server,mozilla/idea-town-server,mathjazz/testpilot,mozilla/testpilot,chuckharmston/testpilot,dannycoates/testpilot,flodolo/testpilot,clouserw/testpilot,dannycoates/testpilot,6a68/testpilot,mozilla/testpilot,mozilla/idea-town,flodolo/testpilot,ckprice/testpilot,lmorchard/testpilot,lmorchard/idea-town,6a68/testpilot,dannycoates/testpilot,flodolo/testpilot,lmorchard/testpilot,lmorchard/idea-town,lmorchard/idea-town-server,fzzzy/testpilot,6a68/idea-town,clouserw/testpilot,flodolo/testpilot,6a68/testpilot,lmorchard/idea-town,6a68/testpilot,fzzzy/testpilot,ckprice/testpilot