HYD-3652 Add mod_expires for built JS and CSS files
HYD-3652 Add mod_expires for built JS and CSS files

  - Add necessary sections and headers to enable caching.
  - Make sure JS files are deflated.

Change-Id: I5d317ae5f9697b74753a2060aaa6a77ccfd61d10
Reviewed-on: http://review.whamcloud.com/12193
Reviewed-by: Will Johnson <12b9e8082b7fae5ba694976591ab55465e35debd@intel.com>
Tested-by: Jenkins
Tested-by: Will Johnson <12b9e8082b7fae5ba694976591ab55465e35debd@intel.com>
Tested-by: Chroma Test User <a0b98b2ff5154776fa24760ef410655af7a8b56c@intel.com>
Reviewed-by: Wayne Kenneth Seymour III <91a819736b2ae022828fb01b73df051e4864c94b@intel.com>
Tested-by: Wayne Kenneth Seymour III <91a819736b2ae022828fb01b73df051e4864c94b@intel.com>
Reviewed-by: Joe Grund <5a0004131f5af71cc30270f318d2c30ba7aaa99a@intel.com>

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