doc: add-or-rm-mons.rst: better explanation on number of monitors

Signed-off-by: Joao Eduardo Luis <joao.luis@inktank.com>
doc: troubleshooting-mons.rst: better document how to troubleshoot mons

Signed-off-by: Joao Eduardo Luis <joao.luis@inktank.com>
erasure-code: jerasure and gf-complete moved to ceph namespace

for maintenance purposes

Signed-off-by: Loic Dachary <loic@dachary.org>
Merge pull request #1491 from dachary/wip-submodules

erasure-code: jerasure and gf-complete moved to ceph namespace

Reviewed-by:  Alfredo Deza <alfredo.deza@inktank.com>
doc/dev/cache-pool: describe the tiering agent

Signed-off-by: Sage Weil <sage@inktank.com>
build: add gf-complete/jerasure to gitmodule_mirrors

Signed-off-by: Loic Dachary <loic@dachary.org>
Merge pull request #1125 from ceph/wip-mon-docs

wip-mon-docs: Better explain required number of monitors & how to troubleshoot a monitor

Signed-off-by: Joao Eduardo Luis <joao.luis@inktank.com>
Reviewed-by: Loic Dachary <loic@dachary.org>
Merge pull request #1494 from dachary/wip-gitmodule-mirrors

build: add gf-complete/jerasure to gitmodule_mirrors
remove gf-complete / jerasure sub modules

and add the source files in the tree.

Signed-off-by: Loic Dachary <loic@dachary.org>
Merge pull request #1497 from dachary/wip-jerasure

remove gf-complete / jerasure sub modules

Reviewed-by: Sage Weil <sage@inktank.com>