Added Warning for adding an empty contact and deleting a contact.
Resource Strings were added for the messages.  Commented
ViewListFragment.
Alerts for saving empty contact and deleting contact added.  String
resources added for the messages.  Also commented ViewlListFragement and
added javadocs.
Commented viewlistfragment and did javadocs.
Revert "Alerts for saving empty contact and deleting contact added.  String resources added for the messages.  Also commented ViewlListFragement and added javadocs."

This reverts commit 498bc42f53e3b7a5ae893586e1e96eb5d809ad74.