Fixes #102 context menues now show when children of the owner are clicked
SceneGallery displays aviable scenes.
Added addSceneButton functionality.
Fixed small typo.
Merge pull request #138 from RotaruDan/SceneGalleryFunctionality

Well done!
Minor changes
Added edition windows and components to test
Fixed HiddenPanel input bug
Adden ElementEdition and SceneEdition class
Corrected typo in the package name and added panel with colors
Added EraserComponent
Corrected typo
Created EraserComponent
Now use the i18n
Added new strings
Created SamplePanel, created swatch panel contains a color palette, a slider and a sample (color and size) of the text or brush
Added some comments
Formatted and added headers to some files.
Linked SceneGallery and SceneEdition.
Refactoring and some javadocs.