Set defaults to match --enable-x rather than --disable-x

Author: sodabrew

package.xml

@@ -220,9 +220,9 @@ Changes
   <configureoption name="enable-memcached-igbinary" prompt="enable igbinary serializer" default="no"/>
   <configureoption name="enable-memcached-msgpack"  prompt="enable msgpack serializer"  default="no"/>
   <configureoption name="enable-memcached-json"     prompt="enable json serializer"     default="no"/>
-  <configureoption name="enable-memcached-protocol" prompt="enable server protocol"     default="no"/>
-  <configureoption name="disable-memcached-sasl"    prompt="disable sasl"               default="no"/>
-  <configureoption name="disable-memcached-session" prompt="disable sessions"           default="no"/>
+  <configureoption name="enable-memcached-protocol" prompt="enable server protocol"     default="yes"/>
+  <configureoption name="enable-memcached-sasl"     prompt="enable sasl"                default="yes"/>
+  <configureoption name="enable-memcached-session"  prompt="enable sessions"            default="yes"/>
  </extsrcrelease>
  <changelog>
     <release>