Revert "fix syntax error"

This reverts commit 05e9d6a366c0b81a9b4092088bfef7d6cb8a3910.
Revert "assign CatAccessController to List view"

This reverts commit dc290856eca6c92802641248d2a8301b90be728b.
Revert "all controllers can use the Circle_Utils class"

This reverts commit 1f6f0d0a35366f6becd44af0a6b7a8a4578a53d1.
Revert "Revert "all actions can access CircleUtils class""

This reverts commit 05549b120582ed4009755d3d32d44e7874d381e5.
Revert "all actions can access CircleUtils class"

This reverts commit 31aa66eac23e7acc1b0e97882cf4a496ad0d911d.