HYD-5186 NGINX: Enable SPDY support
HYD-5186 NGINX: Enable SPDY support

Our version of NGINX supports SPDY, as such we can enable it and clients
that support the protocol will benefit.

  - Enable SPDY for supported clients.

Change-Id: Ib13114839d0a4336549c79a9b67d2c9345528259
Signed-off-by: Joe Grund <5a0004131f5af71cc30270f318d2c30ba7aaa99a@intel.com>
Reviewed-on: http://review.whamcloud.com/17498
Tested-by: Jenkins
Reviewed-by: Wayne Kenneth Seymour III <91a819736b2ae022828fb01b73df051e4864c94b@intel.com>
Tested-by: Chroma Test User <a0b98b2ff5154776fa24760ef410655af7a8b56c@intel.com>
Reviewed-by: Will Johnson <12b9e8082b7fae5ba694976591ab55465e35debd@intel.com>

intel-hpdd/intel-manager-for-lustre,intel-hpdd/intel-manager-for-lustre,intel-hpdd/intel-manager-for-lustre