Fix:phase execution

phase (not only its tasks) must be executed after the tasks of previous phases

lib/cartodb/utils/phased-execution.js

@@ -83,7 +83,7 @@ module.exports = class PhasedExecution {
         if (phase) {
             phase(this);
             return Promise.all(this.tasks)
-                .then(this.run())
+                .then(() => this.run())
                 .then(() => { if (callback) { callback(this.results); } });
         }
     }