Add makefile to download jQuery for testing
Turn the password / verify check into a "lazy" check

There is no point in complaining aboout a password mismatch while the user is
still typing.
Rename 'validation element' to 'field'
 Please enter the commit message for your changes. Lines starting
More consistency with valiable names
Some more comments
Assume that a field's change is final unless specified otherwise

When field.change() is called without parameter, assume that the finalCheck
flag should be set.  This makes it harder to break things by getting this flag
wrong.