some code refactoring and better tooltip management

.../src/main/java/fr/soleil/flyscan/gui/FlyScanTangoBox.java

...lyscan/gui/listener/ConfigurationTreeDynamicListener.java

...r/soleil/flyscan/gui/listener/LabelErrorMouseAdapter.java

...i/src/main/java/fr/soleil/flyscan/gui/util/Utilities.java

...ain/java/fr/soleil/flyscan/gui/view/ConfigurationGUI.java

.../soleil/flyscan/gui/view/component/ConfigurationTree.java

...leil/flyscan/gui/view/component/label/ClickableLabel.java

...n/gui/view/component/label/DynamicForegroundTabLabel.java

...a/fr/soleil/flyscan/gui/view/component/label/FSLabel.java

.../fr/soleil/flyscan/gui/view/component/label/TabLabel.java

...oleil/flyscan/gui/view/component/text/CustomTextArea.java

...leil/flyscan/gui/view/component/text/EscapedTextArea.java

.../flyscan/gui/view/component/text/FSAdaptableTextArea.java

...fr/soleil/flyscan/gui/view/component/text/FSTextArea.java

...r/soleil/flyscan/gui/view/component/text/FSTextField.java

...oleil/flyscan/gui/view/component/text/TextMatrixArea.java

...in/java/fr/soleil/flyscan/gui/view/delegate/UIBuffer.java

.../java/fr/soleil/flyscan/gui/view/delegate/UIDelegate.java

...fr/soleil/flyscan/gui/view/panel/ConfigurationsPanel.java

...va/fr/soleil/flyscan/gui/view/panel/ConstrainedPanel.java