partial changes message bubble
Revert "partial changes message bubble"

This reverts commit 84035a9c462c2c45d303e017750103c455743309.
Implementation of a simple dialog for showing information messages
Adaption of dialog and diallog controller for supporting modal dialogs and show/hide minize button
Test and main class
Modifications related pull request made by Angel Serrano
Merge pull request #295 from angeldelblanco/info-dialog

Info dialog
Mockup now loads it's own skin initially.
Removed unused check during shapeRenderer pass.
Fixed small Widget positioning bug.
Avoided duplicated code improving ApplicationAssets constructor.
Merge pull request #299 from RotaruDan/mockupFixes

Some Mockup adjustments after the recent prs.
Fixed bug in mode painted of the scene edition
Merge pull request #302 from RotaruDan/PaintView2

Fixed bug in scene edition
Added dependency Ashley Entity-Component framework
Merge pull request #303 from anserran/ashley

Added dependency Ashley Entity-Component framework
Adding a method in EditorIO that saves the given model to a temp folder previous upcast to the engine's schema
Updating SaveGameTest
Formatting
Adding a pointer to the path where to retrieve the engine.jar lib for exporting games