[WFK2-573] - Fix the time conversion for birthdates in contacts-mobile-basic.

Remove the earlier attempt with JavaScript and Java to fix this bug.

Converte birthdate to Temporal Date type.

The deployment relies on jackson-core-asl and jackson-mapper-asl modules in JBoss EAP 6.

The Jackson ObjectMapper is configured to ensure that Dates are serialized in the form of ISO 8601 full-dates.

Update the name of the JavaScript module from APPMODULE to CONTACTS_MODULE.