Added some bits about the various ways to get the source code for the SDK

Signed-off-by: Erik de Bruin <erik@ixsoftware.nl>
diff --git a/README b/README
index a594735..2711f7c 100644
--- a/README
+++ b/README
@@ -57,14 +57,15 @@
 installed on your system and it depends on some external software. The external
 software is downloaded as part of the build process.
 
+There are two ways to get the SDK source.
+1) from a git repository
+2) from a source package distribution
+
 The following steps are all you need for a fully functional SDK:
 - Prepare your system
     - install external software
     - set environment variables
 - Get the source code
-    - flex-sdk
-    - flex-tlf
-    - flex-blazeds (optional)
 - Build the SDK
 - Prepare the SDK for use with an IDE
 - Optional steps:
@@ -237,15 +238,16 @@
 Get the source code
 -------------------
 
-The Apache Flex SDK source code uses git for SCM.
+You can get the source directly from the source code repository (Apache Flex
+uses git for SCM).
 
-You can get the latest source ('develop' branch) using the following commands:
+Clone the latest source ('develop' branch) using the following commands:
 
     git clone https://git-wip-us.apache.org/repos/asf/flex-sdk.git flex-sdk
     cd flex-sdk
     git checkout develop
 
-The Apache Flex SDK requires source code from the Apache Flex Text Layout
+The Apache Flex SDK also requires source code from the Apache Flex Text Layout
 Framework (TLF). To get the latest source for TLF ('develop' branch), use the
 following commands:
 
@@ -253,13 +255,15 @@
     cd flex-tlf
     git checkout develop
 
-The Apache Flex SDK requires source code from Apache Flex BlazeDS. To get 
+The Apache Flex SDK also requires source code from Apache Flex BlazeDS. To get 
 the latest source for Apache Flex BlazeDS (‘master’ branch), use the
 following commands:
 
     git clone https://git-wip-us.apache.org/repos/asf/flex-blazeds.git flex-blazeds
     cd flex-blazeds
 
+Another option to get the source is to download a released source package.
+
 For further information visit:
 
     http://flex.apache.org/download-source.html