C# sample references implemented.

compiler/CS_CodeGen.jrag

compiler/Java_CodeGen.jrag

lib/csharp/se/lth/control/labcomm/Constant.cs

lib/csharp/se/lth/control/labcomm/Decoder.cs

lib/csharp/se/lth/control/labcomm/DecoderChannel.cs

lib/csharp/se/lth/control/labcomm/Encoder.cs

lib/csharp/se/lth/control/labcomm/EncoderChannel.cs

lib/csharp/se/lth/control/labcomm/Sample.cs

lib/java/se/lth/control/labcomm/Encoder.java

lib/java/se/lth/control/labcomm/EncoderChannel.java

lib/java/se/lth/control/labcomm/Sample.java

lib/python/labcomm/LabComm.py

test/ref.lc

test/relay_gen_cs.py