make groups of dependencyCount to do async by group

lib/modules/contracts_manager/index.js

@@ -286,6 +286,40 @@ class ContractsManager {
           }
         }
         callback();
+      },
+      function setDependencyCount(callback) {
+        let className;
+
+        function getDependencyCount(contractName, cycleDetector) {
+          if (!self.contractDependencies[contractName] || !self.contractDependencies[contractName].length) {
+            self.contracts[contractName].dependencyCount = 0;
+            return 0;
+          }
+          if (self.contracts[contractName].dependencyCount) {
+            // Already have that count
+            return self.contracts[contractName].dependencyCount;
+          }
+          let total = self.contractDependencies[contractName].length;
+          self.contractDependencies[contractName].some(dependencyName => {
+            if (cycleDetector.indexOf(dependencyName) > -1) {
+              // We are in a cycle because of the dependency, set both to Infinity
+              self.contracts[dependencyName].dependencyCount = Infinity;
+              total = Infinity;
+              return true;
+            }
+            cycleDetector.push(dependencyName);
+            total += getDependencyCount(dependencyName, cycleDetector);
+          });
+          self.contracts[contractName].dependencyCount = total;
+          return total;
+        }
+
+        let cycleDetector;
+        for (className in self.contracts) {
+          cycleDetector = [];
+          getDependencyCount(className, cycleDetector);
+        }
+        callback();
       }
     ], function (err) {
       if (err) {

lib/modules/deployment/index.js

@@ -1,4 +1,5 @@
 let async = require('async');
+const _  = require('underscore');
 
 const ContractDeployer = require('./contract_deployer.js');
 const cloneDeep = require('clone-deep');