Move browser detection routine to the UA class
Fix IE 11.0 detection regexp
Fix IE detection routine in JavaScript
Explicitly refresh the session on login, logout, and trust renewal
Explicitly destroy the persistent login record when the user logs out
Add a method to destroy the session as well as all cookies
Put each extension in a directory to enable multiple scripts per extension
Add empty .gitkeep files to extension directories to keep git happy
Add ability to specify source when using {#asset} or {#assets} template syntax
Add base URL information to <body>, not to each AJAX-enabled <form>