Schema
Creator and initialization
REVIEW NOT NEEDED (bindings)
Test
CoolDemo updated. Alien fade-in-out animation added
Merge pull request #408 from jtorrente/alphatween

Alpha tween (Fix #407)
Added LinearLayout as generalization of many others
Removed unnecessary layouts
Updated widgets to use linear layout instead of old layouts
Merge pull request #395 from anserran/verticallayout

Added LinearLayout as generalization of many other layouts