Add app.dataSource() method

docs/api.md

@@ -29,7 +29,7 @@ Initialize an application from an options object or a set of JSON and JavaScript
 
 1. **DataSources** are created from an `options.dataSources` object or `datasources.json` in the current directory
 2. **Models** are created from an `options.models` object or `models.json` in the current directory
-3. Any JavaScript files in the `./models` and `./datasources` directories are required. 
+3. Any JavaScript files in the `./models` directory are loaded with `require()`.
 
 **Options**
 

lib/application.js

@@ -84,6 +84,16 @@ app.models = function () {
   return this._models;
 }
 
+/**
+ * Define a DataSource.
+ */
+
+app.dataSource = function (name, config) {
+  this.dataSources[name] =
+  this.dataSources[classify(name)] =
+  this.dataSources[camelize(name)] = dataSourcesFromConfig(config);
+}
+
 /**
  * Get all remote objects.
  */
@@ -185,9 +195,7 @@ app.boot = function(options) {
 
   // instantiate data sources
   forEachKeyedObject(dataSourceConfig, function(key, obj) {
-    app.dataSources[key] =
-    app.dataSources[classify(key)] =
-    app.dataSources[camelize(key)] = dataSourcesFromConfig(obj);
+    app.dataSource(key, obj);
   });
 
   // instantiate models