Fixes #2096. Non-free Duality.ttf removed. Open/free SpicyRice.ttf added.
Merge branch 'master' of github.com:yiisoft/yii into fixes-2096
UPGRADE note enhanced (for #2096 and #2253).
Merge pull request #2253 from resurtm/fixes-2096

Fixes #2096. Non-free Duality.ttf removed. Open/free SpicyRice.ttf added.