Fixed some more memoryleak problem caused by the new context code. Tracker item 2417, https://tracker.physiomeproject.org/show_bug.cgi?id=2417
Fixed some more memoryleak problem caused by the new context code. Tracker item 2417, https://tracker.physiomeproject.org/show_bug.cgi?id=2417

cmiss/cmgui,cmiss/cmgui