- converted settings page from css tabs to jQuery tabs.
- replaced old settings system (which used individual WordPress settings for each option) to a new unified system (uses a single WOrdPress setting and stores it as an array)

git-svn-id: https://plugins.svn.wordpress.org/wp-statistics/trunk@945106 b8457f37-d9ea-0310-8a92-e5e31aec5664