minor change to section_ceilometer-install

changed an to a before secret

Change-Id: I16472df30522ed51fbc4fe4bd925dad29780f394
Changes to section_object-storage-adding-proxy-server

Added can before add
Fixed run on sentence
Removed comma

Change-Id: I499bdfc375e432fc38b545efd38258e4eb065b04
Changes to section_object-storage-example-install-arch

Added colons : instead of .
Changed is to are
Capitalized Node

Change-Id: If0c2db983a66b9864f1e629d6211bfec12f3a05f
Changes aa-rabbitmq.txt

No need for information to be plural
Added hyphen

Change-Id: I33c90efdf5edd6dfc3ad90436b20774cad26a0a0
Merge "Changes aa-rabbitmq.txt"
Merge "minor change to section_ceilometer-install"
Merge "Changes to section_object-storage-adding-proxy-server"
Merge "Changes to section_object-storage-example-install-arch"