Enable importing of state items in a specific path of an existing State.
Enable importing of state items in a specific path of an existing State.

* subversion/tests/cmdline/svntest/wc.py
  (add_state): New function. Import state items at a certain path.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion