Add cut or delete command shift+delete
update coffee script fixes #1568
add scrollTo method
add renderer.setMouseCursor
add editor getSelectedText method
allow any Range-like objects in session replace/remove
add fixedWidthGutter option
add @deprecated comment for getCopyText
Merge pull request #1570 from ajaxorg/papercuts

Small improvements to the api
fix formatting
Merge pull 1554
fix a typo