Reformated code with a new coding style.
New sync helpers are added and new test cases are added.
Fix for join bug that causes wrong order in the ui.
Get Accounts permission is added.
Fragments are updated for database usage.
New tables are added in order to store dvds.
Dvd fragments are updated for database and loader usage.
Make periodic sync poll frequency a constant.
FragmentPagerAdapter fields converted to local variables.
Reformated code and add some comments.