Merge pull request #1 from alexanderdavidpan/Migration

Added create_users migration
Merge pull request #2 from alexanderdavidpan/View

Edited view
Created migrations for friendships, chats, and messages
Generated models for User, Friendship, Chat, and Message
Added associations for database
Landing page now displays chat partial if the user is logged in or a signup/login partial if the user is not logged in.
Edited the index page to have different views if the user is signed in or not