Exposed out-of-range colors in color map editor

Change-Id: I61cf228adf808f599365c7454c5dc97085a31896
Added test for out-of-range colors

Change-Id: Ic0261a1adb1704e95bfd8d1c93210f7ed03884e9
Merge topic '6657_add_outside_range_colors' into next

282a926d Added test for out-of-range colors
d8123c31 Exposed out-of-range colors in color map editor