Merge pull request #412 from jtattermusch/csharp_readme

Added usage info to csharp/README.md

src/csharp/README.md

@@ -14,6 +14,34 @@ EXPERIMENTAL ONLY
 - It is very possible that some parts of the code will be heavily refactored or
   completely rewritten.
 
+
+INSTALLATION AND USAGE
+----------------------
+
+- Compile and install the gRPC C Core library
+```
+make shared_c
+sudo make install
+```
+
+- Prerequisites for development: Mono framework, MonoDevelop (IDE)
+```
+sudo apt-get install mono-devel
+sudo apt-get install monodevelop monodevelop-nunit
+sudo apt-get install nunit nunit-console
+```
+
+- Use MonoDevelop to open the solution Grpc.sln (you can also run unit tests
+  from there).
+
+- After building the solution with MonoDevelop, you can use
+  nunit-console to run the unit tests (currently only running one by
+  one will make them pass.
+
+```
+nunit-console GrpcCoreTests.dll
+```
+
 CONTENTS
 --------