Version strings.
JavaScript error catching improvements. Props dd32.

 * Enable JavaScript panel
 * Better cross-browser compatibility, and let errors pass through to browser console
 * Cache errors caught before the JS panel is rendered and output them on ready
Enable JS panel even when SCRIPT_DEBUG is false. Bump script version.
DebugBar: Add a compatability file to contain functions needed to allow us to work with older versions of WordPress and an implementation of wp_debug_backtrace_summary().
Debug Bar: Load the compatibility file and always load panels using full absolute path.
Debug Bar: Backtrace info for PHP Notices and Warnings and for Deprecated calls.§
Update the Compatibility functions to match the code that went into WordPress core in [WP19773]
Debug Bar: Merge over the phpDoc spelling fixes props duck_
Ensure sidebar links have proper padding (certain browser stylesheets set padding-left by default).
Move debug bar rendering to the footer. see #WP20161.
DebugBar: Remove the supression of reporting @ suppressed messages accidentally introduced in [476807].
Debug Bar tested up to the soon-to-be 3.5 dev.
Debug Bar: Fix the display of WP_Query info on Custom Post Type Archive pages.

Make sure that we recursively print the array of information so that we display it all.

Fixes #1601 and improves [360621] props d.glockenmeier for the original patch.
Debug Bar: Use the escape key to close the debug bar panel when it's visible

Adds wpDebugBar.isVisible() to tell whether the panel is open.  The same functionality is needed in two places now, both are updated to use the new function.
Debug Bar: Remove jQuery hotkeys dependency
Debug Bar: Improve keycode detection with fallbacks

DOM3 deprecates `keyCode` and `which`
debug-bar: Security: prevent reflective xss in older browsers by escaping output generated by URL-less add_query_arg call props batmoo.
debug-bar: Sync the readme updates into trunk too.
debug-bar: Relase version 0.8.1
debug-bar: Add the changes to the changelog too.