remove the "disable interning" functionality in dexlib

- rename the getInterned* methods to intern*
- add a lookup* method to a few item types that performs the same function, except that
it returns null if the item isn't found, instead of interning it

git-svn-id: https://smali.googlecode.com/svn/trunk@632 55b6fa8a-2a1e-11de-a435-ffa8d773f76a
22 files changed