Use a simple License info in firstboot

firstboot/modules/eula.py

@@ -42,7 +42,11 @@ class moduleClass(Module):
     def createScreen(self):
         self.vbox = gtk.VBox(spacing=10)
 
-        label = gtk.Label(_("TBA"))
+        label = gtk.Label(("Thank you for installing Qubes. Qubes is a"
+            "compilation of software packages, each under its own license. The"
+            "compilation is made available under the GNU General Public License"
+            "version 2."))
+
         label.set_line_wrap(True)
         label.set_alignment(0.0, 0.0)
         label.set_size_request(500, -1)