[FDV] Implemented how the friends is represented.

Friend has a ID, Name, a way to know if they are finished with there
task or not.
[FDV] Simple activity for the Friend Profile.

This activity will hold the FriendFragment where the real work happens.
[FDV] This is the fragment that exists inside of the FriendActivity.

This is more of a mock up right now. Still not sure how we are going to
represent the friends profile.
[FDV] This activity holds the FriendListFragment

Not much going on here.
[FDV] This is where we display the list of friends.

You are able to see list of friends, and go into there profile from
here.
[-] This is more of a stub for user information.

This is a mockup of friend information until we connect this with the
database.
[FDV] Abstracts away the need to recreate a fragment.

This class helps us to start a fragment inside an activity.