Move generated CSS and JS to footer, Remove ajax setup from stock-ticker.js library, Optimize/minify stock-ticker.js library

git-svn-id: https://plugins.svn.wordpress.org/stock-ticker/trunk@867893 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix missing argument on settings page for do_settings_fields(), replaced jQuery stock renderer with native WordPress/PHP functions, moved default settings to single wp_options entry, added settings for timeout to cache downloaded quotes and custom message to show when no quote can be downloaded

git-svn-id: https://plugins.svn.wordpress.org/stock-ticker/trunk@867984 b8457f37-d9ea-0310-8a92-e5e31aec5664