add html5 attributes to register form
add html5 attributes to update profile form
Change error message shown for incorrect current password on update profile form.

The current message confusingly mentions bad 'username' when username is not involved.  The
new message is the same as that introduced for an incorrect current password on the self
delete profile form (FS#2751)
add html5 'email' type to the user manager forms
add html5 attributes to email fields of the config manager
Merge pull request #246 from splitbrain/profileform_improvements

HTML5isation of some forms