fix broken path in docs
add a 'nositu' processor.

a solution to the producer/consumer problem.
add 'nositu' to build.
add section on 'no situ'.
get rid of the old build system.

it was breaking the GBS, and will confuse the hell out of users.
at this point the GBS one is fairly complete.
separate out JSON code.

to make it more tutorial-accessible.
doc: add a section on parsing out metadata.