add notice for new work creation.   Also fix children button for parents...

fixes the parents partial and adds a nifty flash message when you clone an work.  
![screen shot 2014-04-11 at 3 57 42 pm](https://cloud.githubusercontent.com/assets/2049798/2676654/3db49278-c13e-11e3-8db0-3a72495cb516.png)
![screen shot 2014-04-11 at 3 57 34 pm](https://cloud.githubusercontent.com/assets/2049798/2676655/3dbe09ca-c13e-11e3-9620-c07d40783974.png)