OO-2935: remove unused link top for the full text search results, fix NPE if the context entry is null (it's the case if the user search for the name of the course element)
OO-2866: check if the test is ended before resuming and some small chaanges to handle the case without NPE
OO-2858: unescape solution of gap text from the tinymce mce plugin because they are send to it escaped
