Adds DB update system

wpscan.rb

@@ -39,12 +39,10 @@ def main
 
     # Check for updates
     if wpscan_options.update
-      puts 'Updating the DB ..'
+      puts 'Updating the DB ...'
       DbUpdater.new(DATA_DIR).update
       puts 'Done.'
 
-      exit # remove me
-
       if !@updater.nil?
         if @updater.has_local_changes?
           print "#{red('[!]')} Local file changes detected, an update will override local changes, do you want to continue updating? [y/n] "