deploy: Install rabbitmq from Debian repos

Now that squeeze-backports has 2.8.4-1~bpo60+1 and
wheezy has 2.8.4-1 version we can install rabbitmq-server
from the official Debian repos.

ci/schemas/one_node_squeeze/packages.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server = squeeze-backports
 gunicorn = squeeze-backports
 qemu-kvm = squeeze-backports
 qemu = squeeze-backports

ci/schemas/one_node_squeeze/squeeze.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server = squeeze-backports
 gunicorn = squeeze-backports
 qemu-kvm = squeeze-backports
 qemu = squeeze-backports

ci/schemas/one_node_squeeze/wheezy.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server =
 gunicorn =
 qemu-kvm =
 qemu =

ci/schemas/one_node_wheezy/packages.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server =
 gunicorn =
 qemu-kvm =
 qemu =

ci/schemas/one_node_wheezy/squeeze.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server = squeeze-backports
 gunicorn = squeeze-backports
 qemu-kvm = squeeze-backports
 qemu = squeeze-backports

ci/schemas/one_node_wheezy/wheezy.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server =
 gunicorn =
 qemu-kvm =
 qemu =

snf-deploy/conf/packages.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server = squeeze-backports
 gunicorn = squeeze-backports
 qemu-kvm = squeeze-backports
 qemu = squeeze-backports

snf-deploy/conf/squeeze.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server = squeeze-backports
 gunicorn = squeeze-backports
 qemu-kvm = squeeze-backports
 qemu = squeeze-backports

snf-deploy/conf/wheezy.conf

 [debian]
-rabbitmq-server = testing
+rabbitmq-server =
 gunicorn =
 qemu-kvm =
 qemu =

snf-deploy/files/etc/apt/sources.list.d/synnefo.squeeze.list

 # Backports repository
 deb http://backports.debian.org/debian-backports squeeze-backports main contrib non-free
 
-deb http://www.rabbitmq.com/debian/ testing main
-
 deb http://apt.dev.grnet.gr squeeze/

snf-deploy/files/etc/apt/sources.list.d/synnefo.wheezy.list

 deb http://ftp.de.debian.org/debian wheezy main non-free contrib
 
 deb http://apt.dev.grnet.gr wheezy/
-deb http://www.rabbitmq.com/debian/ testing main