FIX for issue 1029, add indicator for new annotations from remarking

Added an indicator in "Annotation Summary" tab for annotations that are added during remarking (#1029). The indicator is shown in both the marker's view and the student's view.

The French translation may need to be corrected.

![Screenshot from 2013-04-02 16:17:47](https://f.cloud.github.com/assets/993257/331439/ec7a81a0-9bec-11e2-9da0-287480652b17.png)