review request (S/M): 6962931 move interned strings out of perm gen

[John Coomes]

This moves interned strings from the perm gen into the regular heap.
The code was written by Tom Rodriguez; I've added a minor fix and done
the testing.  More info in the webrev:

http://cr.openjdk.java.net/~jcoomes/6962931-intern/

Thanks for any feedback.

-John