Complete revamp of package structure

Added messaging subpackage
Added email subpackage under messaging package
Added sms subpackage under message package
Moved and renamed sendmessage.java to TextMessageFormActivity.java
Renamed sendmessage.xml to text_message_form_activity_layout.xml
Created TextMessage.java
Renamed Email.java to EmailAddress.java
Moved EmailAddress.java to email.models subpackage
Created EmailBody.java
Created EmailSubject.java
Created EmailMessageHelper.java
Created EmailMessageDAO
Created subpackage database
Moved AssistantDB.java to database subpackage
Renamed Person.java to Contact.java
Renamed PersonDAO.java to ContactDAO.java
Created database.contacts subpackage
Moved ContactDAO.java to database.contacts subpackage
Renamed EmailFormActivity.java to EmailMessageFormActivity.java
Renamed person_send_email.xml to email_message_form_activity_layout.xml
Renamed person_list.xml to contact_list_activity_layout.xml
Renamed person_list_delete.xml to
contact_list_item_delete_activity_layout.xml
Much more similar.... see below for details