Support %q in strings
* move gocode to the top-level dir
* moved to top-level dir
* embed margo9
* remove dead directory
* remove test file
* impl menv
* remove arger interface and require all methods to take an arg(themselves)
* simplify the decoding
* drop requrement that the line be delimited by a tab
* remove mention of the tab delimiter
* pass broker obj to callers
* make hello behave more line an echo
* impl `go run` support
* add new helpers
* rename margo dir to margo9 to prevent confusion
sync
sync
sync
sync
sync