[BUG #8514] Moved all classes to bootstrap and removed all occurrences of qx.Class
[BUG #8514] Removed unused files
[BUG #8514] Replaced destruct
[BUG #8514] Removed references to qx.core.Object
[BUG #8514] Updated property util
[BUG #8514] Removed OOUtil
[BUG #8514]updated this.assert* calls
[BUG #8514] Removed old tests
[BUG #8514] updated addListener