Updates icons toback, tofront
Refactor of Reorder action
To follow convention of actions using other actions instead of
polimorphism.
Created ReoderSelection action, with test
Small refactor in scene editor
Updated UI to use new ReorderSelection action
Javadoc and other comments addressed
Fixed test
Icons updated
Ignore auto-generated *bindings.json
Made schema regeneration active-by-default
Merge pull request #572 from manuel-freire/ignore-generated-bindings

regenerate bindings and schemas on mvn clean install
Refactor timers and touches to behavior = event + effects
A more versatile multicomponent
Added generic behavior component
Added behaviors processor
Processing of touch events
Better handling of touches listeners
Processing of timers events
Mockup updated after changes
Renamed attribute engine -> gameLoop
Fix related tests