Merge pull request #619 from jayantkolhe/jayantkolhe-patch-2

Jayantkolhe patch 2 - Many documentation updates.

README.md

@@ -18,10 +18,27 @@ of shared C core library [src/core] (src/core).
    * NodeJS source code: [src/node] (src/node)
    * PHP source code: [src/php] (src/php)
    * C# source code: [src/csharp] (src/csharp)
+   * Objective-C source code: [src/objective-c] (src/objective-c)
    
 Java source code is in [grpc-java] (http://github.com/grpc/grpc-java) repository. 
 Go source code is in [grpc-go] (http://github.com/grpc/grpc-go) repository.
 
+#Documentation
+
+You can find more detailed documentation and examples in the [grpc-common repository](http://github.com/grpc/grpc-common).
+
+#Current Status of libraries
+
+Libraries in different languages are in different state of development. We are seeking contributions for all of these libraries.
+
+   * shared C core library [src/core] (src/core) : Early adopter ready - Alpha.
+   * C++ Library: [src/cpp] (src/cpp) : Early adopter ready - Alpha.
+   * Python Library: [src/python] (src/python) : Early adopter ready - Alpha.
+   * Ruby Library: [src/ruby] (src/ruby) : Early adopter ready - Alpha.
+   * NodeJS Library: [src/node] (src/node) : Early adopter ready - Alpha.
+   * PHP Library: [src/php] (src/php) : Pre-Alpha.
+   * C# Library: [src/csharp] (src/csharp) : Pre-Alpha.
+   * Objective-C Library: [src/objective-c] (src/objective-c): Pre-Alpha.
 
 #Overview
 

src/core/README.md

+#Overview
+
+This directory contains source code for shared C library. Libraries in other languages in this repository (C++, Ruby,
+Python, PHP, NodeJS, Objective-C) are layered on top of this library.
+
+#Status
+
+Alpha : Ready for early adopters
+

src/cpp/README.md

+
+#Overview
+
+This directory contains source code for C++ implementation of gRPC.
+
+#Status
+
+Alpha : Ready for early adopters
+

src/csharp/README.md

@@ -3,7 +3,7 @@ gRPC C#
 
 A C# implementation of gRPC.
 
-EXPERIMENTAL ONLY
+Status
 -----------------
 
 **This gRPC C# implementation is work-in-progress and is not expected to work yet.**

src/node/README.md

 # Node.js gRPC Library
 
+## Status
+
+Alpha : Ready for early adopters
+
 ## Installation
 
 First, clone this repository (NPM package coming soon). Then follow the instructions in the `INSTALL` file in the root of the repository to install the C core library that this package depends on.

src/php/README.md

-# PHP wrapper for the GRPC interfaces.
+
+#Overview
+
+This directory contains source code for PHP implementation of gRPC layered on shared C library.
+
+#Status
+
+Pre-Alpha : This gRPC PHP implementation is work-in-progress and is not expected to work yet.
+
 
 ## LAYOUT
 

src/ruby/README.md

@@ -3,6 +3,10 @@ gRPC Ruby
 
 A Ruby implementation of gRPC.
 
+Status
+-------
+
+Alpha : Ready for early adopters
 
 INSTALLATION PREREQUISITES
 --------------------------