API CHANGE Moved Debug::get_rendered_backtrace() to SSBacktrace::get_rendered_backtrace()
ENHANCEMENT Added SSLog, SSLogEmailWriter and SSLogErrorEmailFormatter for silverstripe message reporting
API CHANGE Debug::send_errors_to() and Debug::send_warnings_to() are deprecated in favour of SSLog. See class documentation for SSLog on configuration of error email notifications
MINOR Added SSLogTest for basic testing of the SSLog and SSLogEmailWriter classes
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@84774 467b73ca-7a2a-4603-9d3b-597d59a354a9
