HYD-5090 python-django can use the regular sphinx on EL7
HYD-5090 python-django can use the regular sphinx on EL7

Previous to EL7 environments it has been a requirement to force the 
use of sphinx10 for documentation generation. EL7 removes this 
requirement and so the requirement can be selectively remove from
the spec file for python-django.

 - Update the python-django/spec.ed to selectively make the requirement
   for python-sphinx to be 10 when building on EL6

Signed-off-by: Brian J. Murrell <2a8f564cbb80211e19c0a14fed38a451599c042f@intel.com>
Change-Id: Ic87e5909882ad9de5488bb15a6a708b0c4ad5969
Reviewed-on: http://review.whamcloud.com/17289
Reviewed-by: Tom Nabarro <27c585386b86ec0acfeeb448326cb9c60162db51@intel.com>
Tested-by: Chroma Test User <a0b98b2ff5154776fa24760ef410655af7a8b56c@intel.com>
Reviewed-by: Chris Gearing <149a3c4298d99c315fc555357d57d2940923ba5f@intel.com>

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