Resolves the issue #7 "Change the default size of fonts",
For the IntegerCA, the CAFactory need now the default value.
Removes the static function get Panel from UIController,
Deletes the unused class KeyRenderer.
Simplification of the unselectAllGE and unselectGE methods.
Simplification of the ValidateSelectedGE, validateGE, validate functions.
Simplification of the CompositionJPanel class (removes unusefull instruction and siplify all the functions).
Comments and simplify the CompositionArea class.
The ColorChooser and ColorRenderer classes now use EventHandler instead of listeners.
Resolves a bug on deleting an element,
Update the .gitignore file.
In CompositionJPanel, remove static import for Thread.sleep and use slf4j.
Release version 1.0.1.
Merge pull request #12 from SPalominos/master

Resolves the issue #7 (@gpetit).
Simplify the UIController, CAFactory, CompositionArea, CompositionJPanel, ColorRenderer classes.
Removes the unused class KeyRenderer.
Switch to the version 1.0.1-SNAPSHOT