Adding view option to hide the outline.

Generated new classes for the options for the slice view (MultiSliceView) and
register the options in the ViewSettingsManager. Hooked up the representation
to listen to the option callback to update the outline visibility.

Change-Id: Ia845a1ea39b7c49bd473d859ac07088247c9c4cc
Remove un-needed include
Merge topic '13791_sliceview_hide_outline' into next

efe1bff Remove un-needed include
533c037 Adding view option to hide the outline.