merge of new coding and new error handling

compiler/build.xml

examples/simple/compile.sh

examples/wiki_example/data.java

examples/wiki_example/example.c

examples/wiki_example/example.encoded

lib/c/Makefile

lib/c/cppmacros.h

lib/c/experimental/ThrottleDrv/display.h

lib/c/experimental/ThrottleDrv/ethernet_drv.c

lib/c/experimental/ethaddr.c

lib/c/experimental/udp_hack.c

lib/c/labcomm.c

lib/c/labcomm.h

lib/c/labcomm_mem_reader.c

lib/c/labcomm_mem_reader.h

lib/c/labcomm_mem_writer.c

lib/c/labcomm_mem_writer.h

lib/c/labcomm_private.h

lib/c/test/test_labcomm.c

lib/c/test/test_labcomm_errors