Revision 313125

- update to version 1.2.0

Changelog:
Serf 1.2.0 [2013-02-22, from /tags/1.2.0]
  Fixed issue 94: Serf can enter an infinite loop when server aborts conn.
  Fixed issue 91: Serf doesn't handle an incoming 408 Timeout Request
  Fixed issue 80: Serf is not handling Negotiate authentication correctly
  Fixed issue 77: Endless loop if server doesn't accept Negotiate authn
  Fixed issue 93: cleanup-after-fork interferes with parent (r1714)
  Fixed most of issue 89: Support REAL SPNEGO authentication
  Enable Negotiate/Kerberos support for proxy servers.
  Return error when C-L, chunked, gzip encoded response bodies where
    truncated (due to aborted connection) (r1688)
  Add a logging mechanism that can be enabled at compile-time.
  Don't lookup server address if a proxy was configured. (r1706)
  Fix an off-by-one in buffer sizing (r1695)
  Disable SSL compression by default + API to enable it (r1692)
  New serf_connection_get_latency() for estimated network latency (r1689)
  New error code and RFC compliance for the HTTPS tunnel (r1701, r1644)
  Handle EINTR when a user suspends and then backgrounds the app (r1708)
  Minor fixes and test suite improvements.

PR:		176404
Submitted by:	Pedro Giffuni <giffunip@tutopia.com>