Mostly docs cleanups

Fix documentation build errors and RST formatting

Change-Id: Id93153400c5b069dd9d772381558c7085f64c207
diff --git a/lib/tls b/lib/tls
index 677895b..09f1c2d 100644
--- a/lib/tls
+++ b/lib/tls
@@ -32,6 +32,7 @@
 # - is_ssl_enabled_service
 # - enable_mod_ssl
 
+
 # Defaults
 # --------
 
@@ -92,7 +93,6 @@
     cp /dev/null $ca_dir/index.txt
 }
 
-
 # Create a new CA configuration file
 # create_CA_config ca-dir common-name
 function create_CA_config {
@@ -248,7 +248,6 @@
     fi
 }
 
-
 # make_cert creates and signs a new certificate with the given commonName and CA
 # make_cert ca-dir cert-name "common-name" ["alt-name" ...]
 function make_cert {
@@ -287,7 +286,6 @@
     fi
 }
 
-
 # Make an intermediate CA to sign everything else
 # make_int_CA ca-dir signing-ca-dir
 function make_int_CA {
@@ -362,17 +360,16 @@
     return 1
 }
 
-
 # Ensure that the certificates for a service are in place. This function does
 # not check that a service is SSL enabled, this should already have been
 # completed.
 #
 # The function expects to find a certificate, key and CA certificate in the
-# variables {service}_SSL_CERT, {service}_SSL_KEY and {service}_SSL_CA. For
-# example for keystone this would be KEYSTONE_SSL_CERT, KEYSTONE_SSL_KEY and
-# KEYSTONE_SSL_CA.
+# variables ``{service}_SSL_CERT``, ``{service}_SSL_KEY`` and ``{service}_SSL_CA``. For
+# example for keystone this would be ``KEYSTONE_SSL_CERT``, ``KEYSTONE_SSL_KEY`` and
+# ``KEYSTONE_SSL_CA``.
 #
-# If it does not find these certificates then the devstack-issued server
+# If it does not find these certificates then the DevStack-issued server
 # certificate, key and CA certificate will be associated with the service.
 #
 # If only some of the variables are provided then the function will quit.
@@ -437,14 +434,12 @@
 # Cleanup Functions
 # =================
 
-
 # Stops all stud processes. This should be done only after all services
 # using tls configuration are down.
 function stop_tls_proxy {
     killall stud
 }
 
-
 # Remove CA along with configuration, as well as the local server certificate
 function cleanup_CA {
     rm -rf "$DATA_DIR/CA" "$DEVSTACK_CERT"