Merge pull request #52 from Tanneguydv/master

adding transparency example on box

Author: tpaviot

examples/core_layer_mgmt.py

@@ -35,7 +35,7 @@
 layer1 = Layer(display, color=123)
 layer1.add(box1)
 
-layer2 = Layer(display, box4, 86)
+layer2 = Layer(display, box4, 86, transparency=0.6)
 layer2.add(box5)
 layer2.show()