updated docs

added installation from dev repo section

apps/advanced/README.md

@@ -79,6 +79,21 @@ php composer.phar create-project --stability=dev yiisoft/yii2-app-advanced yii-a
 This is not currently available. We will provide it when Yii 2 is formally released.
 
 
+### Install from development repository
+
+If you've cloned the [Yii 2 framework main development reop](https://github.com/yiisoft/yii2) you
+can bootstrap your application with:
+
+~~~
+cd yii2/apps/advanced
+php composer.phar create-project
+~~~
+
+*Note: If the above command fails with `[RuntimeException] Not enough arguments.` run
+`php composer.phar self-update` to obtain an updated version of composer which supports creating projects
+from local packages.*
+
+
 GETTING STARTED
 ---------------
 

apps/basic/README.md

@@ -59,3 +59,18 @@ assuming `yii-basic` is directly under the document root of your Web server.
 ### Install from an Archive File
 
 This is not currently available. We will provide it when Yii 2 is formally released.
+
+
+### Install from development repository
+
+If you've cloned the [Yii 2 framework main development reop](https://github.com/yiisoft/yii2) you
+can bootstrap your application with:
+
+~~~
+cd yii2/apps/basic
+php composer.phar create-project
+~~~
+
+*Note: If the above command fails with `[RuntimeException] Not enough arguments.` run
+`php composer.phar self-update` to obtain an updated version of composer which supports creating projects
+from local packages.*