Add missing blank line after code-block directive

Edits performed with this (imperfect) command:

find salt -name '*.py' -print0 \
    | xargs -0 -n1 -P10 gawk -i inplace '
    cb { if (match($0, /^$/) == 0) print ""; cb=0 }
    { print $0 }
    /^\s*.. code-block::/ { cb=1 }
    '

salt/client/ssh/client.py

@@ -138,6 +138,7 @@ class SSHClient(object):
         WARNING: Eauth is **NOT** respected
 
         .. code-block:: python
+
             client.cmd_sync({
                 'tgt': 'silver',
                 'fun': 'test.ping',

salt/modules/cassandra_cql.py

@@ -627,6 +627,7 @@ def list_permissions(username=None, resource=None, resource_type='keyspace', per
     :rtype:                dict
 
     .. code-block:: bash
+
         salt 'minion1' cassandra.list_permissions
 
         salt 'minion1' cassandra.list_permissions username=joe resource=test_keyspace permission=select
@@ -682,6 +683,7 @@ def grant_permission(username, resource=None, resource_type='keyspace', permissi
     :rtype:
 
     .. code-block:: bash
+
         salt 'minion1' cassandra.grant_permission
 
         salt 'minion1' cassandra.grant_permission username=joe resource=test_keyspace permission=select

salt/modules/kerberos.py

@@ -6,6 +6,7 @@ Manage Kerberos KDC
 that can authenticate without requireing a password.
 
     .. code-block:: bash
+
         # ktadd -k /root/secure.keytab kadmin/admin kadmin/changepw
 
 On the KDC minion you will need to add the following to the minion
@@ -13,6 +14,7 @@ configuration file so Salt knows what keytab to use and what principal to
 authenticate as.
 
     .. code-block:: yaml
+
         auth_keytab: /root/auth.keytab
         auth_principal: kadmin/admin
 '''

salt/modules/match.py

@@ -66,6 +66,7 @@ def ipcidr(tgt):
     Pillar Example:
 
     .. code-block:: yaml
+
        '172.16.0.0/12':
          - match: ipcidr
          - nodeclass: internal

salt/roster/ansible.py

@@ -84,6 +84,7 @@ There is also the option of specifying a dynamic inventory, and generating it on
 This is the format that an inventory script needs to output to work with ansible, and thus here.
 
 .. code-block:: bash
+
     [~]# salt-ssh --roster-file /etc/salt/hosts salt.gtmanfred.com test.ping
     salt.gtmanfred.com:
             True

salt/states/boto_iam.py

@@ -80,6 +80,7 @@ passed in as a dict, or as a string to pull from pillars or minion config:
         - key: 'fdkjsafkljsASSADFalkfjasdf'
 
 .. code-block:: yaml
+
     delete server certificate:
       boto_iam.server_cert_absent:
         - name: mycert

salt/states/linux_acl.py

@@ -5,6 +5,7 @@ Linux File Access Control Lists
 Ensure a Linux ACL is present
 
   .. code-block:: yaml
+
     root:
       acl.present:
         - name: /root