doc: Added a section describing mon/osd interaction.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Modified index to include mon-osd-interaction.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
Merge branch 'master' of https://github.com/ceph/ceph
doc: Added section on log rotation.

fixes: #3776

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Added hyperlink to log rotation section.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
doc: Added link to rotation section.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
Merge git://github.com/ceph/ceph