Vision2u Vision2

fixed the problem of display help for plugins
Defect: VIS-̀51

Update icons for plugins
Defect: VIS-51

code for Image plugin (Based on ImageDisplay)
Defect: VIS-51

Implement Slider and ProgressBar plugins
Defect: VIS-51

Finish coding for PasswordField. Code skeleton for Image, ProgressBar and Slider
Defect: VIS-51

Refactor code for better API of setters and getters
Defect: VIS-51

String namePrefix = Label.class.getSimpleName();
The class type Label was used instead of this or TextField (where it was used).
I think it should be something to have it general like:
String namePrefix = this.getClass().getSimpleName();

Working VIS-51 : GUI components as tools to import to a workflow

Defect: VIS-51

initial code for TextField plugin
Defect: VIS-51

Code Label plugin. Update code for Panel, Frame, Button
Defect: VIS-51

Optimize code of Button plugin class
Defect: VIS-51