Creating a class that allows accessing objects in the model hierarchy through a namespace
test for accessor
Add entity-component system

Added basic components: renderer, position, rotation, scale, and color

GameLoader and SceneLoader systems

Systems hooked into the GameLoop

PositionComponent updated

LanguageSystem to process I18N in engine

EffectsSystem

TouchSystem

Refactor TouchSystem with abstract system LaunchEffectSystem

TimersSystem

Added effect executors in EffectsSystem
- Adding control of dialogs' own width in views
- Replacing text area by label in ConfirmationDialogBuilder
Merge pull request #322 from jtorrente/issue-316

Use label instead of TextArea in confirmation dialog
fixes #116
Moving some classes, fixes #226
remove showdialog actions and its references in the code
Most of @anserran comments' addressed
Most of @anserran comments' addressed
Merge pull request #321 from jtorrente/accessor

Accessor
Return to the Stage viewport when the frame buffer ends.
Drawing resources are translated when resize happens.
Improved shader program performance.
Merge pull request #324 from RotaruDan/framebufferViewportFix

Return to the Stage viewport when the frame buffer ends.
MeshHelper now uses stage coordinates.
This simplifies the drawing by avoiding unnecessary conversions.
Improved Javadocs.
Updating platform os names to reflect latest changes by @imartinezortiz affecting the release process.
Some cleaning in tests
Renamed EditorApplicationListenerDesktop back to EditorDesktop
Format