Clean up: Bugs, LINQ, constructors, default values, and null checks (#18)

Scripts/Gumps/Guilds/RecruitTarget.cs

@@ -66,7 +66,7 @@ namespace Server.Gumps
           else
             m_Mobile.SendLocalizedMessage(1013028); // That person has a different faction affiliation.
         }
-        else if (targetState != null && targetState.IsLeaving)
+        else if (targetState?.IsLeaving == true)
         {
           // OSI does this quite strangely, so we'll just do it this way
           m_Mobile.SendMessage("That person is quitting their faction and so you may not recruit them.");
@@ -94,4 +94,4 @@ namespace Server.Gumps
       m_Mobile.SendGump(new GuildGump(m_Mobile, m_Guild));
     }
   }
-}
+}