Do not UNWATCH on every redis client release

Closes #161

NEWS.md

@@ -7,6 +7,7 @@ Enhancements:
  - Respond with a permission denied on attempt to access map tiles waiving
    signature of someone who had not left any (#170)
  - Do not log an error on GET / (#177)
+ - Do not UNWATCH on every redis client release (#161)
 
 Bug fixes:
 

lib/cartodb/server_options.js

@@ -67,6 +67,10 @@ module.exports = function(){
         log_format: global.environment.log_format,
         useProfiler: global.environment.useProfiler
     };
+    
+    // Do not send unwatch on release
+    // See http://github.com/CartoDB/Windshaft-cartodb/issues/161
+    me.redis.unwatchOnRelease = false;
 
     // Be nice and warn if configured mapnik version
     // is != instaled mapnik version