Added users option to createDatabase.

Author: pluma

README.md

@@ -349,15 +349,22 @@ These functions implement the [HTTP API for manipulating databases](https://docs
 
 #### database.createDatabase
 
-`database.createDatabase(databaseName: string, [callback: Callback]): Promise<Database>`
+`database.createDatabase(databaseName: string, [users: Array<Object>], [callback: Callback]): Promise<Database>`
 
 Creates a new database with the given *databaseName*, then passes a new *Database* instance to the callback.
 
+If *users* is specified, it must be an array of objects with the following attributes:
+
+* *username*: the username of the user to create for the database.
+* *passwd* (optional): the password of the user. Default: empty.
+* *active* (optional): whether the user is active. Default: `true`.
+* *extra* (optional): an object containing additional user data.
+
 *Examples*
 
 ```js
 var db = require('arangojs')();
-db.createDatabase('mydb', function (err, database) {
+db.createDatabase('mydb', [{username: 'root'}], function (err, database) {
     if (err) return console.error(err);
     // database is a Database instance
 });

lib/database.js

@@ -204,14 +204,22 @@ extend(Database.prototype, {
     this._api['delete']('graph/' + graphName, { dropCollections: dropCollections }, callback);
     return promise;
   },
-  createDatabase: function createDatabase(databaseName, cb) {
+  createDatabase: function createDatabase(databaseName, users, cb) {
+    if (typeof users === 'function') {
+      cb = users;
+      users = undefined;
+    }
+
     var _promisify11 = promisify(cb);
 
     var promise = _promisify11.promise;
     var callback = _promisify11.callback;
 
     var self = this;
-    self._api.post('database', { name: databaseName }, function (err, res) {
+    self._api.post('database', {
+      name: databaseName,
+      users: users
+    }, function (err, res) {
       if (err) callback(err);else {
         callback(null, new Database(extend({}, self._connection.config, { databaseName: databaseName })));
       }

src/database.js

@@ -167,10 +167,17 @@ extend(Database.prototype, {
     this._api.delete('graph/' + graphName, {dropCollections: dropCollections}, callback);
     return promise;
   },
-  createDatabase: function (databaseName, cb) {
+  createDatabase: function (databaseName, users, cb) {
+    if (typeof users === 'function') {
+      cb = users;
+      users = undefined;
+    }
     var {promise, callback} = promisify(cb);
     var self = this;
-    self._api.post('database', {name: databaseName}, function (err, res) {
+    self._api.post('database', {
+      name: databaseName,
+      users: users
+    }, function (err, res) {
       if (err) callback(err);
       else {
         callback(null, new Database(extend(