bug 383026: Versions model classes should implement equals/hashcode

eagerly determine the url, as equals and hashcode
do not access the getter, the url property is not
correctly initialized.

https://bugs.eclipse.org/bugs/show_bug.cgi?id=383026

Change-Id: Idb8577e26eb68d9a99cd67d92c03cef1f7fedcc7
1 file changed