Added save point to commands (to check if there is pending changes to be saved)
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
Added UITest showing basic widgets
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