Merge r834378, r835046, r1040304, r1040373, r1090645, r1294306, r1509872, r1308862...

Merge r834378, r835046, r1040304, r1040373, r1090645, r1294306, r1509872, r1308862, r1509875 from trunk:

enable support for ECC keys and ECDH ciphers.  Tested against
OpenSSL 1.0.0b3.  [Vipul Gupta vipul.gupta sun.com, Sander Temme]

* Use correct #ifndef's to compile again on openssl 0.9.8 and fix compiler
  warnings.

Noted by: sf

Removed unused var.

Stop warning, init should be an int.

Remove unused variable

Initialize EC temporary key on server startup, as for DH and
RSA. This fixes a race condition that could lead to a crash with threaded
MPMs.

Mention ECC support

Submitted by: sctemme, rpluem, fuankg, drh, sf, sf, sf, jim, sf
Reviewed/backported by: jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1540727 13f79535-47bb-0310-9956-ffa450edef68