Update third_party/tlslite to 0.4.8.

third_party/tlslite/README.chromium

 Name: tlslite
 URL: http://trevp.net/tlslite/
-Version: 0.4.6
+Version: 0.4.8
 Security Critical: No
 License: Public domain and BSD
 
 Description: Python TLS implementation for use with test server.
 
-Source: https://pypi.python.org/packages/source/t/tlslite/tlslite-0.4.6.tar.gz
-MD5: 2f92ebea557802969653f29c7faafbc2
-SHA-512: 7b933499dfdafbdf3775c7e86bbc82a6fcee0b37a818d9106fe84436176df7f4
-         2f185f61a64c6548214909cfce530f5d143414173ffc8f074faf87f34c87f38c
+Source: https://pypi.python.org/packages/source/t/tlslite/tlslite-0.4.8.tar.gz
+MD5: 36c13858ea63f262c4e4291c2f9ae38f
+SHA-512: bdb42d005b7444667badc6febd38f5b74878c09218b418844c255920f0e6272f
+         55f62b4ea21953953935f73e02657fce9874b44f73499267cf713ddbcd3d6a44
 
 Local Modifications:
-- Drop docs/, scripts/, and tests/ directories.
+- Drop docs/ directory.
 - patches/tls_intolerant.patch: allow TLSLite to simulate a TLS-intolerant server.
 - patches/channel_id.patch: add basic ChannelID support. (Signatures are not
   checked.)
 - patches/signed_certificate_timestamps.patch: add support for sending Signed
   Certificate Timestamps over a TLS extension.
 - patches/fallback_scsv.patch: add support for TLS_FALLBACK_SCSV. See
   https://tools.ietf.org/html/draft-bmoeller-tls-downgrade-scsv-01
 - patches/status_request.patch: add support for sending stapled OCSP responses.
-- patches/pycrypto.patch: fix PyCrypto support code.
-- patches/client_cipher_preferences.patch: honor client cipher preferences.
-  tlslite's current ordering will otherwise negotiate
-  TLS_RSA_WITH_3DES_EDE_CBC_SHA.
 - patches/ssl3_padding.patch: SSL3 requires minimal padding in CBC mode.
-- patches/srp_cert.patch: Prefer srp + cert over srp, to fix tlslite tests after
-  client_cipher_preferences.patch.
 - patches/fix_test_file.patch: Fix #! line in random test file to appease our
   presubmit checks.
 - patches/dhe_rsa.patch: Implement DHE_RSA-based cipher suites.
 - patches/req_cert_types.patch: Add a reqCertTypes parameter to populate the
-  certificate_types field of CertificateRequest.
+  certificate_types field of CertificateRequest. Also fixes type errors.
 - patches/ignore_write_failure.patch: Don't invalidate sessions on write
   failures.
 - patches/intolerance_options.patch: Add an option to further control
   simulated TLS version intolerance.
 - patches/save_client_hello.patch: Save the parsed ClientHello on TLSConnection
   so tests can query it.
+- patches/certificate_request.patch: Fix client auth for TLS 1.2.