[sldev] [Patch] Two more, Hide selection outlines, and limiting the size of megaprims on the mini-map

[Aimee Trescothick]

... and continuing my patch charge ... two small new features for  
review :)

http://jira.secondlife.com/browse/SNOW-78 (VWR-6918)
Tools menu item to hide object selection outlines.

http://jira.secondlife.com/browse/SNOW-79 (VWR-12631)
Provide a setting to adjust the maximum size of objects displayed on  
the mini-map.

Aimee.