Revision 1774373

On the ocsp-verification branch: Introduce scratch pools for a couple functions.

* BRANCH-README: Update branch docs.

* serf_bucket_types.h
  (serf_ssl_cert_export2): New prototype.
  (serf_ssl_cert_export): Update docstring.
  (serf_ssl_cert_import): Update docstring and add scratch pool parameter.
  (serf_ssl_ocsp_request_create): Update docstring.

* buckets/ssl_buckets.c
  (serf_ssl_cert_export2): Rename from serf_ssl_cert_export and update pool usage.
  (serf_ssl_cert_export2): Call serf_ssl_cert_export2.
  (serf_ssl_cert_import): Update pool usage.

* test/test_ssl.c
  (test_ssl_cert_import): Update test to match new API.