Added changes for Yii framework See

http://www.yiiframework.com/wiki/307/startin-your-yii-project-reference-guide-with-git-vcs-in-linux/#hh6

Yii.gitignore

-assets/
-protected/runtime/
+assets/*
+!assets/.gitignore
+protected/runtime/*
+!protected/runtime/.gitignore
+protected/data/*.db
 themes/classic/views/
\ No newline at end of file