fixing metadata version error. locking to 3.0
fixing metadata version error. locking to 3.0

dastergon/memcached,shanethehat/memcached,mre/memcached,chef-cookbooks/memcached,mre/memcached,rackspace-cookbooks/rackspace_memcached,shanethehat/memcached,dastergon/memcached,jjoos/memcached,opscode-cookbooks/memcached,dgivens/memcached,dastergon/memcached,chef-cookbooks/memcached,tezz123/memcached,opscode-cookbooks/memcached,opscode-cookbooks/memcached,jjoos/memcached,chef-cookbooks/memcached,tezz123/memcached,dgivens/memcached