added TYPE_BIND_SELF; don't send type_decl for samples without dependencies

compiler/2014/Java_CodeGen.jrag

doc/tech_report.tex

examples/user_types/Decoder.java

examples/user_types/Encoder.java

examples/user_types/example_decoder.c

examples/user_types/test.lc

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

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

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