Update the readme files.

README.rst

@@ -32,6 +32,12 @@ To build the javascript bindings, install emscripten from http://kripken.github.
 .. code:: bash
 
     make js
+	
+To build the android project for Android bindings, run:
+
+	.. code:: bash
+	cd java/android/OlmLibSdk/OlmLibSdk
+	./gradlew clean assembleRelease
 
 Release process
 ---------------

java/android/OlmLibSdk/README.rst

+OlmLibSdk
+=========
+
+OlmLibSdk exposes An android wrapper to libolm.
+
+
+Installation
+------------
+	Create a libs directory in your project directory
+	Copy the olm-sdk.aar into it.
+	In your build.gradle file, add in the android section
+    	repositories {
+        	  flatDir {
+             	 dir 'libs'
+          	   }
+      		 }
+	Add in the dependencies category		 
+		compile(name: 'olm-sdk', ext: 'aar')
+
+Development
+-----------
+import the project from the /java/android/OlmLibSdk path.
+
+The project contains some JNI files and some Java wraper files.
+
+The project contains some tests under AndroidTests package.
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