Cleanup: deleting and moving files around.
Cleanup: Makefile changed to look in sub directories and c programs now use library functions instead of accessing memory locations directly.
Merge branch 'master' of https://github.com/t-crest/patmos into cleanup
Merge branch 'master' of https://github.com/t-crest/patmos into chisel_update
Chisel update: old tester comments removed.
Merge branch 'master' of https://github.com/t-crest/patmos into chisel_update