Oops Patch (selection masking and organization change)

Hey everyone,

I have completed code to mask unselected oops and organize the 
schematic differently. Now I just need people to test it and give me 
feedback. The patch adds 3 new menu options in the view menu
-Manual Arrangment which undo's any masking and allows you to 
reposition blocks manually.
-Dynamic:Selection which hides unselected objects blocks in the 
schematic and shows only blocks for selected objects and their linked 
blocks
-Tree Graph which displays the oops using a right->left Tree Graph 
organization.

Please try it out and let me know what you think. If you like it I'll 
polish it up some and keep working on more to submit to tohupuu or bf 
whichever would be best at first.
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