Fixed trait distribution size issue
After de-selecting trait in species editor panel, table is cleared
Added deltatickShapes.txt file for breed shapes
Renamed deltatickShapes1.txt to deltatickShapes.txt
Updated visualizeCode in Activity3_2.xml, added "vision cone" to defaultShapes.txt
Removed compiler warning from Breed.java and started using deltatickShapes.txt
Removed tree from deltatickShapes.txt