v0.2.0
Lock down icons version
v0.2.1
Ignore example and bump icons version
v0.2.2
Added <a> app button to example index.html
Hide buttons with  attr
Always depend on the latest gaia-icons version
v0.2.3
Fix action button should be hidden when action attr is removed
v0.2.4
Add technique to localize content inside shadow-dom
Merge branch 'master' into gh-pages