Revert "Update to upstream version 3.1.4"
This reverts commit fdb0ea42fc58ae62aada5a1421255c5b231b9054.
google-guice 3.1.4 has been ported to asm4. Maven requires this
package, but uses asm3. Reverting this update, because we can't
be sure that this will work without any surprises.