AccountManager: Change constructor to initialize accountList
AccountManager: Add static method createAccount, used to create accounts of a particular type
AccountManager: Initialize accountList in declaration rather than in constructor, since it's static
NewAccountTypeSelectActivity: When user selects AccountType, create an account of that type
AccountManager: Remove private instance variable and getter. No need for instances of this class. since all members are static.
layout : account_list_layout : Change accounts list height parameter to wrap_content, instead of fixed height
layout : account_list_layout : Provide proper ID for the remove accounts button
Make Account class public
AccountsActivity: Change code indentation