make Cloze question feedback display more informative in 2.1 (as it was in 1.9)

Mode = adaptive mode
Question text=

Q01.- {1:SHORTANSWER:=correct answer}

Q02.- {1:SHORTANSWER:=correct answer}

Q03.- {1:SHORTANSWER:=correct answer}

Q04.- {1:SHORTANSWER:=correct answer~%50%half correct answer}

Screenshot #1 compares the 1.9 and 2.1 displays of a Cloze question, in adaptive mode, when Submit page (1.9) or Check (2.1) button is clicked.

• the 1.9 version clearly shows by using colors and icons which sub-questions were correctly, incorrectly or partially correctly answered and - by not using any coloring or icons - the sub-question which was left un-answered. Hovering over the questions does not provide any info.

• 2.1, on the other hand, does not display such information ; the only info available is obtained by hovering over the sub-questions, which is not so immediately visible to the student.

Screenshot #2 compares the 1.9 and 2.1 displays of a Cloze question, in adaptive mode, when Submit all and finish button is clicked.

• the 1.9 version uses colors and ticks to display information about the correctness of the answers. Note that Q03 is left white, since it was un-answered, which is OK. HOvering over the sub-question answer boxes provides info re the "correct answer".

• the 2.1 version also displays colors and ticks. But it wrongly displays Q03 in red; that un-answered sub-question should be displayed in white. [BUG]
  Hovering over the sub-questions answer boxes provides interesting information. Unfortunately, Q02 tooltip shows "Not answered" where it should be "Incorrect". [BUG]

Bugs to be fixed are marked [BUG] in above Description text.

Improvements requested:

• When checking his answers, in 2.1 the student should see the correctness/incorrectness of his answers clearly marked (color and icon) as it was in 1.9. (Screenshot #1) and as it is when Submitting all in 2.1 (Screenshot #2). This is quite indispensable in Adaptive mode, especially for Cloze questions containing a large number of SA sub-questions.

• When hovering over the textbox of a sub-question that has not yet been answered, no "Mark 0 out of 1" should be displayed.