fixed bug on validation of datefield, emailfield, numericefield.
make CMS validation enabled.
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@40755 467b73ca-7a2a-4603-9d3b-597d59a354a9
Changed From::testSubmission to use Director::test(), so that it can check whether URLs are correctly set
Made Director::is_ajax() look at the controller data
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@40590 467b73ca-7a2a-4603-9d3b-597d59a354a9