doc: Added a script to build docs on CentOS / RHEL.

Fixes: #7722

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Extended discussion for building docs on CentOS / RHEL.

Fixes: #7722

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Adds build-doc guidelines for Fedora and CentOS/RHEL.

Signed-off-by: Nilamdyuti Goswami <ngoswami@redhat.com>
Merge pull request #2932 from nilamdyuti/wip-doc-documenting-ceph

doc: Adds build-doc guidelines for Fedora and CentOS/RHEL.

Reviewed-by: Loic Dachary <ldachary@redhat.com>
doc: Removed separate build file for rpm.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
Merge pull request #2389 from ceph/wip-doc-documenting-ceph

doc: Update documenting ceph to include CentOS/RHEL

Reviewed-by: John Wilkins <jowilkin@redhat.com>