Working login example with four test users

Application has two Manifest files.  You will need to rename either to
go towards Raji's work, or rename mine to go towards the login work.  I
did not merge with activities on purpose.

I need to create an issue on how to architect connecting the FB user
with Parse user.

Reviewed ParseApi.java, corrected few comments.

You will need to add the Facebook SDK as a library project to Instadine
for login example to work. (facebook-android-sdk-3.15.0.zip)

Test user login details are sitting on gdocs.