Etherpad 1.5.7 release notes

NEW: Add support for intermediate CA certificates for ssl
NEW: Provide a script to clean up before running etherpad
NEW: Use ctrl+shift+1 to do a ordered list
NEW: Show versions of plugins on startup
NEW: Add author on padCreate and padUpdate hook
Fix: switchToPad method
Fix: Dead keys
Fix: Preserve new lines in copy-pasted text
Fix: Compatibility mode on IE
Fix: Content Collector to get the class of the DOM-node
Fix: Timeslider export links
Fix: Double prompt on file upload
Fix: setText() replaces the entire pad text
Fix: Accessibility features on embedded pads
Fix: Tidy HTML before abiword conversion
Fix: Remove edit buttons in read-only view
Fix: Disable user input in read-only view
Fix: Pads end with a single newline, rather than two newlines
Fix: Toolbar and chat for mobile devices