BUGFIX: Fixed bug in 'sake interactive' error handling.
BUGFIX: Fixed bugs with MSSQL and Windows support.
API CHANGE: Added FormAction::setButtonContent()
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@80782 467b73ca-7a2a-4603-9d3b-597d59a354a9