Update sudo.yml

1. Has broaden the list of "sudo_coreutils_safe" commands
2. Added access to everything by "rabbitmqcttl"
3. Introduced new groups of commands:
* sudo_networking_base_utilities
* sudo_contrail_utilities
* sudo_storage_utilities
* sudo_openstack_clients
diff --git a/linux/system/sudo.yml b/linux/system/sudo.yml
index 1668c12..d403ba3 100644
--- a/linux/system/sudo.yml
+++ b/linux/system/sudo.yml
@@ -23,7 +23,25 @@
     - /usr/sbin/visudo
     sudo_coreutils_safe:
     - /usr/bin/less
+    - /usr/bin/strace
+    - /usr/bin/ltrace
+    - /usr/bin/grep
+    - /usr/bin/fgrep
+    - /usr/bin/egrep
+    - /usr/bin/zgrep
+    - /usr/bin/tail
+    - /usr/bin/socat
+    - /usr/bin/top
+    - /usr/bin/tail
+    - /usr/bin/mysql*
+    - /usr/bin/lsof
+    - /usr/bin/virsh
+    - /bin/ls
+    - /bin/cp
+    - /bin/netstat
+    - /bin/kill
     sudo_rabbitmq_safe:
+    - /usr/sbin/rabbitmqctl
     - /usr/sbin/rabbitmqctl status
     - /usr/sbin/rabbitmqctl cluster_status
     - /usr/sbin/rabbitmqctl list_queues*
@@ -41,3 +59,42 @@
     - /usr/bin/salt-call saltutil*
     sudo_salt_trusted:
     - /usr/bin/salt*
+    sudo_networking_base_utilities:
+    - /sbin/ip
+    - /sbin/ss
+    - /sbin/ifconfig
+    - /sbin/route
+    - /sbin/ethtool
+    - /sbin/tcpdump
+    sudo_contrail_utilities:
+    - /usr/bin/contrail*
+    - /bin/contrail*
+    - /usr/bin/vif
+    - /usr/bin/flow
+    - /usr/bin/vrfstats
+    - /usr/bin/rt
+    - /usr/bin/dropstats
+    - /usr/bin/mpls
+    - /usr/bin/mirror
+    - /usr/bin/vxlan
+    - /usr/bin/nh
+    sudo_storage_utilities:
+    - /usr/bin/ceph*
+    - /usr/bin/rados*
+    - /usr/bin/rbd
+    - /usr/sbin/gluster
+    sudo_openstack_clients:
+    - /usr/bin/openstack
+    - /usr/bin/heat*
+    - /usr/bin/nova*
+    - /usr/bin/neutron*
+    - /usr/bin/keystone*
+    - /usr/bin/glance*
+    - /usr/bin/cinder*
+    - /usr/bin/swift*
+    - /usr/bin/ironic*
+    - /usr/bin/manila*
+    - /usr/bin/barbican*
+    - /usr/bin/ceilometer*
+    - /usr/bin/trove*
+