Changed Preferences.java to be a PreferenceActivity instead of using the db to store the preferences. Preferences will be migrated from the db when the user updated to 2.3.

git-svn-id: https://android.svn.wordpress.org/trunk@925 a6565c4b-a94d-4d28-bb26-aa9e5ab542c0
Adding a string and removing old arrays from the old stats activity.

git-svn-id: https://android.svn.wordpress.org/trunk@926 a6565c4b-a94d-4d28-bb26-aa9e5ab542c0
Adding preferences.xml file.

git-svn-id: https://android.svn.wordpress.org/trunk@927 a6565c4b-a94d-4d28-bb26-aa9e5ab542c0