Lower verbosity on memcached server

This change lowers the default log level for memcached. currently with the
setting at -vv we're noticing a large spike in logs generated which could
fill up block devices on high traffic systems.

Change-Id: I3378f4cce3a082060f4b202034b48975040a79fe
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>

templates/memcached.conf.debian.j2

@@ -4,7 +4,7 @@
 {% if debug | bool %}
 -vvv
 {% else %}
--vv
+-v
 {% endif %}
 logfile {{ memcached_log }}
 -m {{ memcached_memory }}

templates/memcached.redhat.j2

@@ -3,7 +3,7 @@
 {% if debug | bool %}
   {% set _verbosity = '-vvv' %}
 {% else %}
-  {% set _verbosity = '-vv' %}
+  {% set _verbosity = '-v' %}
 {% endif %}
 
 PORT="{{ memcached_port }}"