Implement a unified StandardThemeProvider
- only need to register theme name at web app startup
Merge branch 'master' into new-theme-support
Move ThemeSupport back to zkplus
- since StandardThemeProvider is not used by default, need to initialize one when necessary
Move Theme Support to zul
- no need to attach StandardThemeProvider since it is now the default
- default theme (breeze) will be registered when the class Themes is loaded
Fix files affected by the API change
update readme
Merge branch 'master' of github.com:zkoss/zkthemes
Re-fix bug ZK-868