They are more consistent now. Transitioning to RTL languages will also be
easier since more of them can be mirrored now. Also fixes some spacing issues
with icons and others.
Previously, everybody had to remember the preference name and the
default value. If it was ever changed, this would have to be updated
everywhere. Now, the Preferences class is responsible for talking to the
SharedPreferences functionality of ANdroid.
I've started with just the compactlayout preference, because
that is what I required for this fix.