fix multi dimensional array of extended user profile
fix multi dimensional array of extended user profile in UpdateProfile's controller file
fix argument inside UpdateProfile's processor
add &extendedTpls property to return a set of dynamic forms from the extended profile which are based on numeric array containers
move getExtended method to the parent controller class, because it's needed by both Profile and UpdateProfile controllers
Add a hook helper, filterEmptyFields() method, to check whether the set of extended fields is empty or not.
bug fix on processing completely empty extended fields set
Apply additional suffix property, &extendedNumericSuffix, to the placeholders as the replacement of numeric keys.
revert the extendedNumericSuffix when updating the profile