Added basic functions to login/register pages, need to test.
Login works
Forgot to commit this a while ago. Register kinda works.
Register works.
Made the login and register activities pretty
LoginActivity is skipped if valid token in SharedPreferences
Merge branch 'login_register_function' into Listings_Info_Screens_Token
MyListingsFragment now loads using user_id #19
Infinite scroll works now too #19
Merge branch 'Listings_Info_Screens_Token' into Listings_Info_Screens