1.4.5 released

Use docJGenerator 1.6.7.8
Use JDependency 1.4.7
Allow to add a DialogPart with the DialogBuilder without setting initially its components
Add the ability to add dialog parts as children of dialog parts in the DefaultMDIDialogBuilder class
Improve the layout of the DefaultMDIDialogBuilder components
Allow to configure the horizontal and vertical separation of the DefaultMDIDialogBuilder components
Add a vararg method to add components to a DefaultMDIDialogBuilder dialog part
Fix the plugins not being seen if the path of their directory contained spaces