Help tutor's action by colorizing new student's response.

This is a clone of completion report, in which some cell are colorize orange or green. No color : activity is not pass Orange :student has submit something Green :tutor has grade or make a feedback on the last submit.

So, when color is orange tutor has something to do : grade or make a feedback, and he can access the student's response through a link (clic on the cell).

Only 4 activities are supervise (assign, quiz, journal, lesson). They must have completion enable.

It's possible to : -hide some section -show only one group