Fixing Eclipse+Maven integration issues after upgrading the java-formater and license-checker plugins
Fixing formatting issues
Renaming:
 - GameController to GameLoop
 - EngineGameController to EngineGameLoop
 - gameController properties to gameLoop properties
Merge pull request #52 from imartinezortiz/engine_refactoring

Various renamings
Basic structure for the editor
Merge branch 'master' into editor
Added preferences to controller
Added menu and context menu widgets
Added preferences listeners; added recent games menu
Added file chooser last folder preference
Recent files ignored the current game
Added change language action
Some refactoring in widgets. Added LinearLayout
Work in event model